diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index d3f76c1a..e2e86e38 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -47,7 +47,7 @@ jobs:
           - os: ubuntu-latest
             target: x86_64-unknown-linux-gnu
             variant: MSRV
-            toolchain: 1.61.0
+            toolchain: 1.63.0
           - os: ubuntu-latest
             deps: sudo apt-get update ; sudo apt install gcc-multilib
             target: i686-unknown-linux-gnu
diff --git a/.github/workflows/workspace.yml b/.github/workflows/workspace.yml
index ef92b7f4..4fb165c8 100644
--- a/.github/workflows/workspace.yml
+++ b/.github/workflows/workspace.yml
@@ -4,30 +4,21 @@ on:
   pull_request:
     paths-ignore:
       - README.md
-      - "benches/**"
   push:
     branches: master
     paths-ignore:
       - README.md
-      - "benches/**"
 
 jobs:
   clippy:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@master
-        with:
-          toolchain: 1.78.0
-          components: clippy
-      - run: cargo clippy --all --all-targets -- -D warnings
-
-  rustfmt:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: stable
-          components: rustfmt
-      - run: cargo fmt --all -- --check
+          components: clippy, rustfmt
+      - name: Clippy
+        run: cargo clippy --all --all-targets -- -D warnings
+      - name: Rustfmt
+        run: cargo fmt --all -- --check
diff --git a/Cargo.toml b/Cargo.toml
index 6f553265..f9cc4350 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,7 +10,3 @@ exclude = [
     "benches",
 ]
 resolver = "2"
-
-[patch.crates-io.rand_core]
-git = "https://github.com/rust-random/rand.git"
-branch = "master"
diff --git a/README.md b/README.md
index 8e5baf87..b5b11dad 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 [![Test Status](https://github.com/rust-random/rngs/workflows/Tests/badge.svg?event=push)](https://github.com/rust-random/rngs/actions)
 [![Book](https://img.shields.io/badge/book-master-yellow.svg)](https://rust-random.github.io/book/)
 [![API](https://img.shields.io/badge/api-master-yellow.svg)](https://rust-random.github.io/rand)
-[![Minimum rustc version](https://img.shields.io/badge/rustc-1.61-lightgray.svg)](https://github.com/rust-random/rngs#rust-version-requirements)
+[![Minimum rustc version](https://img.shields.io/badge/rustc-1.63-lightgray.svg)](https://github.com/rust-random/rngs#rust-version-requirements)
 
 Extra random number generators provided by the Rust Random project.
 The main repository, [rust-random/rand](https://github.com/rust-random/rand),
diff --git a/benches/Cargo.toml b/benches/Cargo.toml
index 27a95696..d6bcd302 100644
--- a/benches/Cargo.toml
+++ b/benches/Cargo.toml
@@ -2,17 +2,17 @@
 name = "benches"
 version = "0.1.0"
 edition = "2021"
-rust-version = "1.61"
+rust-version = "1.63"
 publish = false
 
 [dev-dependencies]
 criterion = "0.5.0"
 criterion-cycles-per-byte = "0.6"
-rand_core = { version = "=0.9.0-alpha.1", features = ["getrandom"] }
-rand_xoshiro = { path = "../rand_xoshiro", version = "0.6" }
-rand_isaac = { path = "../rand_isaac", version = "0.3" }
-rand_xorshift = { path = "../rand_xorshift", version = "0.3" }
-rand_hc = { path = "../rand_hc", version = "0.3" }
+rand_core = { version = "0.9.0", features = ["os_rng"] }
+rand_xoshiro = { path = "../rand_xoshiro", version = "0.7" }
+rand_isaac = { path = "../rand_isaac", version = "0.4" }
+rand_xorshift = { path = "../rand_xorshift", version = "0.4" }
+rand_hc = { path = "../rand_hc", version = "0.4" }
 
 [[bench]]
 name = "mod"
diff --git a/rand_hc/CHANGELOG.md b/rand_hc/CHANGELOG.md
index 278c1617..5ce40606 100644
--- a/rand_hc/CHANGELOG.md
+++ b/rand_hc/CHANGELOG.md
@@ -4,7 +4,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [0.3.3] - unreleased
+## [0.4.0] - 2025-01-27
+- Bump the MSRV to 1.63 (#58)
+- Update to `rand_core` v0.9.0 (#58)
 - Add examples for initializing the RNGs
 
 ## [0.3.2] - 2023-04-15
diff --git a/rand_hc/Cargo.toml b/rand_hc/Cargo.toml
index 6b5420b5..2765459b 100644
--- a/rand_hc/Cargo.toml
+++ b/rand_hc/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "rand_hc"
-version = "0.3.2"
+version = "0.4.0"
 authors = ["The Rand Project Developers"]
 license = "MIT OR Apache-2.0"
 readme = "README.md"
@@ -13,7 +13,7 @@ HC128 random number generator
 keywords = ["random", "rng", "hc128"]
 categories = ["algorithms", "no-std"]
 edition = "2021"
-rust-version = "1.61"
+rust-version = "1.63"
 
 [dependencies]
-rand_core = "=0.9.0-alpha.1"
+rand_core = "0.9.0"
diff --git a/rand_hc/src/hc128.rs b/rand_hc/src/hc128.rs
index 6438ad22..75c00583 100644
--- a/rand_hc/src/hc128.rs
+++ b/rand_hc/src/hc128.rs
@@ -89,8 +89,6 @@ impl RngCore for Hc128Rng {
     }
 }
 
-rand_core::impl_try_crypto_rng_from_crypto_rng!(Hc128Rng);
-
 impl SeedableRng for Hc128Rng {
     type Seed = <Hc128Core as SeedableRng>::Seed;
 
@@ -100,12 +98,12 @@ impl SeedableRng for Hc128Rng {
     }
 
     #[inline]
-    fn from_rng(rng: impl RngCore) -> Self {
+    fn from_rng(rng: &mut impl RngCore) -> Self {
         Hc128Rng(BlockRng::<Hc128Core>::from_rng(rng))
     }
 
     #[inline]
-    fn try_from_rng<R: TryRngCore>(rng: R) -> Result<Self, R::Error> {
+    fn try_from_rng<R: TryRngCore>(rng: &mut R) -> Result<Self, R::Error> {
         BlockRng::<Hc128Core>::try_from_rng(rng).map(Hc128Rng)
     }
 }
diff --git a/rand_isaac/CHANGELOG.md b/rand_isaac/CHANGELOG.md
index f156a218..b0c912f2 100644
--- a/rand_isaac/CHANGELOG.md
+++ b/rand_isaac/CHANGELOG.md
@@ -4,8 +4,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [0.3.1] - unreleased
-- Correctly document MSRV as 1.36
+## [0.4.0] - 2025-01-27
+- Bump the MSRV to 1.63 (#58)
+- Update to `rand_core` v0.9.0 (#58)
+- Rename feature `serde1` to `serde` (#58)
 - Fix compiler and clippy warnings
 - Add examples for initializing the RNGs
 
diff --git a/rand_isaac/Cargo.toml b/rand_isaac/Cargo.toml
index 8e5688e0..cc0068d2 100644
--- a/rand_isaac/Cargo.toml
+++ b/rand_isaac/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "rand_isaac"
-version = "0.3.0" # NB: When modifying, also modify html_root_url in lib.rs
+version = "0.4.0" # NB: When modifying, also modify html_root_url in lib.rs
 authors = ["The Rand Project Developers", "The Rust Project Developers"]
 license = "MIT OR Apache-2.0"
 readme = "README.md"
@@ -13,16 +13,14 @@ ISAAC random number generator
 keywords = ["random", "rng", "isaac"]
 categories = ["algorithms", "no-std"]
 edition = "2021"
-rust-version = "1.61"
+rust-version = "1.63"
 
 [features]
-serde1 = ["serde", "rand_core/serde1"]
+serde = ["dep:serde", "rand_core/serde"]
 
 [dependencies]
-rand_core = { version = "=0.9.0-alpha.1" }
-serde = { version = "1.0.103", features = ["derive"], optional = true }
-# Not a direct dependency but required to boost the minimum version:
-serde_derive = { version = "1.0.103", optional = true }
+rand_core = { version = "0.9.0" }
+serde = { version = "1.0.104", features = ["derive"], optional = true }
 
 [dev-dependencies]
 # This is for testing serde, unfortunately we can't specify feature-gated dev
diff --git a/rand_isaac/README.md b/rand_isaac/README.md
index 9d2e42eb..7a22ecf9 100644
--- a/rand_isaac/README.md
+++ b/rand_isaac/README.md
@@ -32,7 +32,7 @@ Links:
 `rand_isaac` is `no_std` compatible. It does not require any functionality
 outside of the `core` lib, thus there are no features to configure.
 
-The `serde1` feature includes implementations of `Serialize` and `Deserialize`
+The `serde` feature includes implementations of `Serialize` and `Deserialize`
 for the included RNGs.
 
 
diff --git a/rand_isaac/src/isaac.rs b/rand_isaac/src/isaac.rs
index c14b141c..e92ac603 100644
--- a/rand_isaac/src/isaac.rs
+++ b/rand_isaac/src/isaac.rs
@@ -14,7 +14,7 @@ use core::num::Wrapping as w;
 use core::{fmt, slice};
 use rand_core::block::{BlockRng, BlockRngCore};
 use rand_core::{le, RngCore, SeedableRng, TryRngCore};
-#[cfg(feature = "serde1")]
+#[cfg(feature = "serde")]
 use serde::{Deserialize, Serialize};
 
 #[allow(non_camel_case_types)]
@@ -90,7 +90,7 @@ const RAND_SIZE: usize = 1 << RAND_SIZE_LEN;
 ///
 /// [`rand_hc`]: https://docs.rs/rand_hc
 #[derive(Debug, Clone)]
-#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
 pub struct IsaacRng(BlockRng<IsaacCore>);
 
 impl RngCore for IsaacRng {
@@ -110,8 +110,6 @@ impl RngCore for IsaacRng {
     }
 }
 
-rand_core::impl_try_rng_from_rng_core!(IsaacRng);
-
 impl SeedableRng for IsaacRng {
     type Seed = <IsaacCore as SeedableRng>::Seed;
 
@@ -129,22 +127,22 @@ impl SeedableRng for IsaacRng {
     }
 
     #[inline]
-    fn from_rng(rng: impl RngCore) -> Self {
+    fn from_rng(rng: &mut impl RngCore) -> Self {
         IsaacRng(BlockRng::<IsaacCore>::from_rng(rng))
     }
 
     #[inline]
-    fn try_from_rng<S: TryRngCore>(rng: S) -> Result<Self, S::Error> {
+    fn try_from_rng<S: TryRngCore>(rng: &mut S) -> Result<Self, S::Error> {
         BlockRng::<IsaacCore>::try_from_rng(rng).map(IsaacRng)
     }
 }
 
 /// The core of [`IsaacRng`], used with [`BlockRng`].
 #[derive(Clone)]
-#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
 pub struct IsaacCore {
     #[cfg_attr(
-        feature = "serde1",
+        feature = "serde",
         serde(with = "super::isaac_array::isaac_array_serde")
     )]
     mem: [w32; RAND_SIZE],
@@ -367,7 +365,7 @@ impl SeedableRng for IsaacCore {
         Self::init(key, 1)
     }
 
-    fn from_rng(mut rng: impl RngCore) -> Self {
+    fn from_rng(rng: &mut impl RngCore) -> Self {
         // Custom `from_rng` implementation that fills a seed with the same size
         // as the entire state.
         let mut seed = [w(0u32); RAND_SIZE];
@@ -384,7 +382,7 @@ impl SeedableRng for IsaacCore {
         Self::init(seed, 2)
     }
 
-    fn try_from_rng<R: TryRngCore>(mut rng: R) -> Result<Self, R::Error> {
+    fn try_from_rng<R: TryRngCore>(rng: &mut R) -> Result<Self, R::Error> {
         // Custom `from_rng` implementation that fills a seed with the same size
         // as the entire state.
         let mut seed = [w(0u32); RAND_SIZE];
@@ -417,7 +415,7 @@ mod test {
         let mut rng1 = IsaacRng::from_seed(seed);
         assert_eq!(rng1.next_u32(), 2869442790);
 
-        let mut rng2 = IsaacRng::from_rng(rng1);
+        let mut rng2 = IsaacRng::from_rng(&mut rng1);
         assert_eq!(rng2.next_u32(), 3094074039);
     }
 
@@ -533,7 +531,7 @@ mod test {
     }
 
     #[test]
-    #[cfg(feature = "serde1")]
+    #[cfg(feature = "serde")]
     fn test_isaac_serde() {
         use bincode;
         use std::io::{BufReader, BufWriter};
diff --git a/rand_isaac/src/isaac64.rs b/rand_isaac/src/isaac64.rs
index c3f8dd8b..6b7a5496 100644
--- a/rand_isaac/src/isaac64.rs
+++ b/rand_isaac/src/isaac64.rs
@@ -14,7 +14,7 @@ use core::num::Wrapping as w;
 use core::{fmt, slice};
 use rand_core::block::{BlockRng64, BlockRngCore};
 use rand_core::{le, RngCore, SeedableRng, TryRngCore};
-#[cfg(feature = "serde1")]
+#[cfg(feature = "serde")]
 use serde::{Deserialize, Serialize};
 
 #[allow(non_camel_case_types)]
@@ -81,7 +81,7 @@ const RAND_SIZE: usize = 1 << RAND_SIZE_LEN;
 /// [`rand_hc`]: https://docs.rs/rand_hc
 /// [`BlockRng64`]: rand_core::block::BlockRng64
 #[derive(Debug, Clone)]
-#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
 pub struct Isaac64Rng(BlockRng64<Isaac64Core>);
 
 impl RngCore for Isaac64Rng {
@@ -101,8 +101,6 @@ impl RngCore for Isaac64Rng {
     }
 }
 
-rand_core::impl_try_rng_from_rng_core!(Isaac64Rng);
-
 impl SeedableRng for Isaac64Rng {
     type Seed = <Isaac64Core as SeedableRng>::Seed;
 
@@ -120,22 +118,22 @@ impl SeedableRng for Isaac64Rng {
     }
 
     #[inline]
-    fn from_rng(rng: impl RngCore) -> Self {
+    fn from_rng(rng: &mut impl RngCore) -> Self {
         Isaac64Rng(BlockRng64::<Isaac64Core>::from_rng(rng))
     }
 
     #[inline]
-    fn try_from_rng<S: TryRngCore>(rng: S) -> Result<Self, S::Error> {
+    fn try_from_rng<S: TryRngCore>(rng: &mut S) -> Result<Self, S::Error> {
         BlockRng64::<Isaac64Core>::try_from_rng(rng).map(Isaac64Rng)
     }
 }
 
 /// The core of `Isaac64Rng`, used with `BlockRng`.
 #[derive(Clone)]
-#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
 pub struct Isaac64Core {
     #[cfg_attr(
-        feature = "serde1",
+        feature = "serde",
         serde(with = "super::isaac_array::isaac_array_serde")
     )]
     mem: [w64; RAND_SIZE],
@@ -329,7 +327,7 @@ impl SeedableRng for Isaac64Core {
         Self::init(key, 1)
     }
 
-    fn from_rng(mut rng: impl RngCore) -> Self {
+    fn from_rng(rng: &mut impl RngCore) -> Self {
         // Custom `from_rng` implementation that fills a seed with the same size
         // as the entire state.
         let mut seed = [w(0u64); RAND_SIZE];
@@ -345,7 +343,7 @@ impl SeedableRng for Isaac64Core {
         Self::init(seed, 2)
     }
 
-    fn try_from_rng<R: TryRngCore>(mut rng: R) -> Result<Self, R::Error> {
+    fn try_from_rng<R: TryRngCore>(rng: &mut R) -> Result<Self, R::Error> {
         // Custom `from_rng` implementation that fills a seed with the same size
         // as the entire state.
         let mut seed = [w(0u64); RAND_SIZE];
@@ -377,7 +375,7 @@ mod test {
         let mut rng1 = Isaac64Rng::from_seed(seed);
         assert_eq!(rng1.next_u64(), 14964555543728284049);
 
-        let mut rng2 = Isaac64Rng::from_rng(rng1);
+        let mut rng2 = Isaac64Rng::from_rng(&mut rng1);
         assert_eq!(rng2.next_u64(), 919595328260451758);
     }
 
@@ -538,7 +536,7 @@ mod test {
     }
 
     #[test]
-    #[cfg(feature = "serde1")]
+    #[cfg(feature = "serde")]
     fn test_isaac64_serde() {
         use bincode;
         use std::io::{BufReader, BufWriter};
diff --git a/rand_isaac/src/lib.rs b/rand_isaac/src/lib.rs
index a507b453..1ce08b77 100644
--- a/rand_isaac/src/lib.rs
+++ b/rand_isaac/src/lib.rs
@@ -13,7 +13,7 @@
 #![doc(
     html_logo_url = "https://www.rust-lang.org/logos/rust-logo-128x128-blk.png",
     html_favicon_url = "https://www.rust-lang.org/favicon.ico",
-    html_root_url = "https://docs.rs/rand_isaac/0.3.0"
+    html_root_url = "https://docs.rs/rand_isaac/0.4.0"
 )]
 #![deny(missing_docs)]
 #![deny(missing_debug_implementations)]
diff --git a/rand_jitter/CHANGELOG.md b/rand_jitter/CHANGELOG.md
index b72a9b7d..d665ee70 100644
--- a/rand_jitter/CHANGELOG.md
+++ b/rand_jitter/CHANGELOG.md
@@ -4,7 +4,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [0.4.0] - 2023-11-20
+## [0.5.0] - 2025-01-27
+- Bump the MSRV to 1.63 (#58)
+- Update to `rand_core` v0.9.0 (#58)
+
+## [0.4.0] - 2023-12-08
 ### Changed
 - Update to `rand_core` v0.6
 - Bump MSRV to 1.51
diff --git a/rand_jitter/Cargo.toml b/rand_jitter/Cargo.toml
index 22c9b83d..8700d3c0 100644
--- a/rand_jitter/Cargo.toml
+++ b/rand_jitter/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "rand_jitter"
-version = "0.4.0"
+version = "0.5.0"
 authors = ["The Rand Project Developers"]
 license = "MIT OR Apache-2.0"
 readme = "README.md"
@@ -9,14 +9,14 @@ documentation = "https://docs.rs/rand_jitter"
 description = "Random number generator based on timing jitter"
 keywords = ["random", "rng", "os"]
 edition = "2021"
-rust-version = "1.61"
+rust-version = "1.63"
 
 [features]
 std = ["rand_core/std"]
 log = ["dep:log"]
 
 [dependencies]
-rand_core = { version = "=0.9.0-alpha.1" }
+rand_core = { version = "0.9.0" }
 log = { version = "0.4.4", optional = true }
 
 [target.'cfg(any(target_os = "macos", target_os = "ios"))'.dependencies]
diff --git a/rand_jitter/src/lib.rs b/rand_jitter/src/lib.rs
index 77343ba6..3a538962 100644
--- a/rand_jitter/src/lib.rs
+++ b/rand_jitter/src/lib.rs
@@ -764,26 +764,3 @@ where
         impls::fill_bytes_via_next(self, dest)
     }
 }
-
-impl<F> rand_core::TryRngCore for JitterRng<F>
-where
-    F: Fn() -> u64 + Send + Sync,
-{
-    type Error = core::convert::Infallible;
-
-    #[inline]
-    fn try_next_u32(&mut self) -> Result<u32, Self::Error> {
-        Ok(rand_core::RngCore::next_u32(self))
-    }
-
-    #[inline]
-    fn try_next_u64(&mut self) -> Result<u64, Self::Error> {
-        Ok(rand_core::RngCore::next_u64(self))
-    }
-
-    #[inline]
-    fn try_fill_bytes(&mut self, dst: &mut [u8]) -> Result<(), Self::Error> {
-        rand_core::RngCore::fill_bytes(self, dst);
-        Ok(())
-    }
-}
diff --git a/rand_xorshift/CHANGELOG.md b/rand_xorshift/CHANGELOG.md
index 8716492e..647e4ab5 100644
--- a/rand_xorshift/CHANGELOG.md
+++ b/rand_xorshift/CHANGELOG.md
@@ -4,7 +4,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [0.3.1] - unreleased
+## [0.4.0] - 2025-01-27
+- Bump the MSRV to 1.63 (#58)
+- Update to `rand_core` v0.9.0 (#58)
+- Rename feature `serde1` to `serde` (#58)
 - Document how zero seeds are handled
 - Correctly document MSRV as 1.36
 - Speed up `from_seed` implementation for 128-bit seeds
diff --git a/rand_xorshift/Cargo.toml b/rand_xorshift/Cargo.toml
index ae26996e..284de4a7 100644
--- a/rand_xorshift/Cargo.toml
+++ b/rand_xorshift/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "rand_xorshift"
-version = "0.3.0" # NB: When modifying, also modify html_root_url in lib.rs
+version = "0.4.0" # NB: When modifying, also modify html_root_url in lib.rs
 authors = ["The Rand Project Developers", "The Rust Project Developers"]
 license = "MIT OR Apache-2.0"
 readme = "README.md"
@@ -13,13 +13,13 @@ Xorshift random number generator
 keywords = ["random", "rng", "xorshift"]
 categories = ["algorithms", "no-std"]
 edition = "2021"
-rust-version = "1.61"
+rust-version = "1.63"
 
 [features]
-serde1 = ["serde"]
+serde = ["dep:serde"]
 
 [dependencies]
-rand_core = { version = "=0.9.0-alpha.1" }
+rand_core = { version = "0.9.0" }
 serde = { version = "1.0.118", default-features = false, features = ["derive"], optional = true }
 
 [dev-dependencies]
diff --git a/rand_xorshift/README.md b/rand_xorshift/README.md
index 2142575c..293ccf15 100644
--- a/rand_xorshift/README.md
+++ b/rand_xorshift/README.md
@@ -30,7 +30,7 @@ Links:
 `rand_xorshift` is `no_std` compatible. It does not require any functionality
 outside of the `core` lib, thus there are no features to configure.
 
-The `serde1` feature includes implementations of `Serialize` and `Deserialize`
+The `serde` feature includes implementations of `Serialize` and `Deserialize`
 for the included RNGs.
 
 
diff --git a/rand_xorshift/src/lib.rs b/rand_xorshift/src/lib.rs
index e725db06..89d5ae07 100644
--- a/rand_xorshift/src/lib.rs
+++ b/rand_xorshift/src/lib.rs
@@ -23,7 +23,7 @@
 #![doc(
     html_logo_url = "https://www.rust-lang.org/logos/rust-logo-128x128-blk.png",
     html_favicon_url = "https://www.rust-lang.org/favicon.ico",
-    html_root_url = "https://docs.rs/rand_xorshift/0.3.0"
+    html_root_url = "https://docs.rs/rand_xorshift/0.4.0"
 )]
 #![forbid(unsafe_code)]
 #![deny(missing_docs)]
@@ -33,7 +33,7 @@
 use core::fmt;
 use core::num::Wrapping as w;
 use rand_core::{impls, le, RngCore, SeedableRng, TryRngCore};
-#[cfg(feature = "serde1")]
+#[cfg(feature = "serde")]
 use serde::{Deserialize, Serialize};
 
 /// An Xorshift random number generator.
@@ -51,7 +51,7 @@ use serde::{Deserialize, Serialize};
 ///       ["Xorshift RNGs"](https://www.jstatsoft.org/v08/i14/paper).
 ///       *Journal of Statistical Software*. Vol. 8 (Issue 14).
 #[derive(Clone, PartialEq, Eq)]
-#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
 pub struct XorShiftRng {
     x: w<u32>,
     y: w<u32>,
@@ -92,8 +92,6 @@ impl RngCore for XorShiftRng {
     }
 }
 
-rand_core::impl_try_rng_from_rng_core!(XorShiftRng);
-
 impl SeedableRng for XorShiftRng {
     type Seed = [u8; 16];
 
@@ -116,7 +114,7 @@ impl SeedableRng for XorShiftRng {
         }
     }
 
-    fn from_rng(mut rng: impl RngCore) -> Self {
+    fn from_rng(rng: &mut impl RngCore) -> Self {
         let mut b = [0u8; 16];
         loop {
             rng.fill_bytes(b.as_mut());
@@ -133,7 +131,7 @@ impl SeedableRng for XorShiftRng {
         }
     }
 
-    fn try_from_rng<R: TryRngCore>(mut rng: R) -> Result<Self, R::Error> {
+    fn try_from_rng<R: TryRngCore>(rng: &mut R) -> Result<Self, R::Error> {
         let mut b = [0u8; 16];
         loop {
             rng.try_fill_bytes(b.as_mut())?;
diff --git a/rand_xorshift/tests/mod.rs b/rand_xorshift/tests/mod.rs
index 881e982e..8413a26b 100644
--- a/rand_xorshift/tests/mod.rs
+++ b/rand_xorshift/tests/mod.rs
@@ -77,7 +77,7 @@ fn test_xorshift_clone() {
     }
 }
 
-#[cfg(feature = "serde1")]
+#[cfg(feature = "serde")]
 #[test]
 fn test_xorshift_serde() {
     use bincode;
diff --git a/rand_xoshiro/CHANGELOG.md b/rand_xoshiro/CHANGELOG.md
index a515d12e..b2a9f2ba 100644
--- a/rand_xoshiro/CHANGELOG.md
+++ b/rand_xoshiro/CHANGELOG.md
@@ -4,11 +4,13 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [0.6.1] - unreleased
+## [0.7.0] - 2025-01-27
+- Bump the MSRV to 1.63 (#58)
+- Update to `rand_core` v0.9.0 (#58)
+- Rename feature `serde1` to `serde` (#58)
 - Add `Xoshiro128Plus::long_jump`
 - Add examples for initializing the RNGs
 - Speed up `from_seed` implementation for 128-bit seeds
-- Correctly document MSRV as 1.36
 - Fix a few typos in the docs
 
 ## [0.6.0] - 2020-12-18
diff --git a/rand_xoshiro/Cargo.toml b/rand_xoshiro/Cargo.toml
index 980799a8..f99739f6 100644
--- a/rand_xoshiro/Cargo.toml
+++ b/rand_xoshiro/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "rand_xoshiro"
-version = "0.6.0" # NB: When modifying, also modify html_root_url in lib.rs
+version = "0.7.0" # NB: When modifying, also modify html_root_url in lib.rs
 authors = ["The Rand Project Developers"]
 license = "MIT OR Apache-2.0"
 readme = "README.md"
@@ -11,13 +11,13 @@ description = "Xoshiro, xoroshiro and splitmix64 random number generators"
 keywords = ["random", "rng"]
 categories = ["algorithms"]
 edition = "2021"
-rust-version = "1.61"
+rust-version = "1.63"
 
 [features]
-serde1 = ["serde"]
+serde = ["dep:serde"]
 
 [dependencies]
-rand_core = { version = "=0.9.0-alpha.1" }
+rand_core = { version = "0.9.0" }
 serde = { version = "1", features = ["derive"], optional=true }
 
 [dev-dependencies]
diff --git a/rand_xoshiro/README.md b/rand_xoshiro/README.md
index e3b792b4..66ac3c49 100644
--- a/rand_xoshiro/README.md
+++ b/rand_xoshiro/README.md
@@ -21,7 +21,7 @@ Links:
 
 `rand_xoshiro` is no_std compatible by default.
 
-The `serde1` feature includes implementations of `Serialize` and `Deserialize` for the included RNGs.
+The `serde` feature includes implementations of `Serialize` and `Deserialize` for the included RNGs.
 
 ## License
 
diff --git a/rand_xoshiro/src/common.rs b/rand_xoshiro/src/common.rs
index e5c63f4f..2fe918bc 100644
--- a/rand_xoshiro/src/common.rs
+++ b/rand_xoshiro/src/common.rs
@@ -263,6 +263,12 @@ impl Default for Seed512 {
     }
 }
 
+impl AsRef<[u8]> for Seed512 {
+    fn as_ref(&self) -> &[u8] {
+        &self.0
+    }
+}
+
 impl AsMut<[u8]> for Seed512 {
     fn as_mut(&mut self) -> &mut [u8] {
         &mut self.0
diff --git a/rand_xoshiro/src/lib.rs b/rand_xoshiro/src/lib.rs
index 60260536..ebbbeb91 100644
--- a/rand_xoshiro/src/lib.rs
+++ b/rand_xoshiro/src/lib.rs
@@ -83,7 +83,7 @@
 #![doc(
     html_logo_url = "https://www.rust-lang.org/logos/rust-logo-128x128-blk.png",
     html_favicon_url = "https://www.rust-lang.org/favicon.ico",
-    html_root_url = "https://docs.rs/rand_xoshiro/0.6.0"
+    html_root_url = "https://docs.rs/rand_xoshiro/0.7.0"
 )]
 #![forbid(unsafe_code)]
 #![deny(missing_docs)]
diff --git a/rand_xoshiro/src/splitmix64.rs b/rand_xoshiro/src/splitmix64.rs
index 88130c74..750b07dd 100644
--- a/rand_xoshiro/src/splitmix64.rs
+++ b/rand_xoshiro/src/splitmix64.rs
@@ -9,7 +9,7 @@
 use rand_core::impls::fill_bytes_via_next;
 use rand_core::le::read_u64_into;
 use rand_core::{RngCore, SeedableRng};
-#[cfg(feature = "serde1")]
+#[cfg(feature = "serde")]
 use serde::{Deserialize, Serialize};
 
 /// A splitmix64 random number generator.
@@ -23,7 +23,7 @@ use serde::{Deserialize, Serialize};
 /// from [`dsiutils`](http://dsiutils.di.unimi.it/) is used.
 #[allow(missing_copy_implementations)]
 #[derive(Debug, Clone, PartialEq, Eq)]
-#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
 pub struct SplitMix64 {
     x: u64,
 }
@@ -59,8 +59,6 @@ impl RngCore for SplitMix64 {
     }
 }
 
-rand_core::impl_try_rng_from_rng_core!(SplitMix64);
-
 impl SeedableRng for SplitMix64 {
     type Seed = [u8; 8];
 
diff --git a/rand_xoshiro/src/xoroshiro128plus.rs b/rand_xoshiro/src/xoroshiro128plus.rs
index 6655d3cc..9ea170ec 100644
--- a/rand_xoshiro/src/xoroshiro128plus.rs
+++ b/rand_xoshiro/src/xoroshiro128plus.rs
@@ -9,7 +9,7 @@
 use rand_core::impls::fill_bytes_via_next;
 use rand_core::le::read_u64_into;
 use rand_core::{RngCore, SeedableRng};
-#[cfg(feature = "serde1")]
+#[cfg(feature = "serde")]
 use serde::{Deserialize, Serialize};
 
 /// A xoroshiro128+ random number generator.
@@ -23,7 +23,7 @@ use serde::{Deserialize, Serialize};
 /// David Blackman and Sebastiano Vigna.
 #[allow(missing_copy_implementations)]
 #[derive(Debug, Clone, PartialEq, Eq)]
-#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
 pub struct Xoroshiro128Plus {
     s0: u64,
     s1: u64,
@@ -79,9 +79,6 @@ impl RngCore for Xoroshiro128Plus {
         fill_bytes_via_next(self, dest);
     }
 }
-
-rand_core::impl_try_rng_from_rng_core!(Xoroshiro128Plus);
-
 impl SeedableRng for Xoroshiro128Plus {
     type Seed = [u8; 16];
 
diff --git a/rand_xoshiro/src/xoroshiro128plusplus.rs b/rand_xoshiro/src/xoroshiro128plusplus.rs
index e90f3291..7fcce84a 100644
--- a/rand_xoshiro/src/xoroshiro128plusplus.rs
+++ b/rand_xoshiro/src/xoroshiro128plusplus.rs
@@ -9,7 +9,7 @@
 use rand_core::impls::fill_bytes_via_next;
 use rand_core::le::read_u64_into;
 use rand_core::{RngCore, SeedableRng};
-#[cfg(feature = "serde1")]
+#[cfg(feature = "serde")]
 use serde::{Deserialize, Serialize};
 
 /// A xoroshiro128++ random number generator.
@@ -22,7 +22,7 @@ use serde::{Deserialize, Serialize};
 /// David Blackman and Sebastiano Vigna.
 #[allow(missing_copy_implementations)]
 #[derive(Debug, Clone, PartialEq, Eq)]
-#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
 pub struct Xoroshiro128PlusPlus {
     s0: u64,
     s1: u64,
@@ -77,8 +77,6 @@ impl RngCore for Xoroshiro128PlusPlus {
     }
 }
 
-rand_core::impl_try_rng_from_rng_core!(Xoroshiro128PlusPlus);
-
 impl SeedableRng for Xoroshiro128PlusPlus {
     type Seed = [u8; 16];
 
diff --git a/rand_xoshiro/src/xoroshiro128starstar.rs b/rand_xoshiro/src/xoroshiro128starstar.rs
index 8c9e59fe..3f57a639 100644
--- a/rand_xoshiro/src/xoroshiro128starstar.rs
+++ b/rand_xoshiro/src/xoroshiro128starstar.rs
@@ -9,7 +9,7 @@
 use rand_core::impls::fill_bytes_via_next;
 use rand_core::le::read_u64_into;
 use rand_core::{RngCore, SeedableRng};
-#[cfg(feature = "serde1")]
+#[cfg(feature = "serde")]
 use serde::{Deserialize, Serialize};
 
 /// A xoroshiro128** random number generator.
@@ -22,7 +22,7 @@ use serde::{Deserialize, Serialize};
 /// David Blackman and Sebastiano Vigna.
 #[allow(missing_copy_implementations)]
 #[derive(Debug, Clone, PartialEq, Eq)]
-#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
 pub struct Xoroshiro128StarStar {
     s0: u64,
     s1: u64,
@@ -77,8 +77,6 @@ impl RngCore for Xoroshiro128StarStar {
     }
 }
 
-rand_core::impl_try_rng_from_rng_core!(Xoroshiro128StarStar);
-
 impl SeedableRng for Xoroshiro128StarStar {
     type Seed = [u8; 16];
 
diff --git a/rand_xoshiro/src/xoroshiro64star.rs b/rand_xoshiro/src/xoroshiro64star.rs
index 99411420..0e997e93 100644
--- a/rand_xoshiro/src/xoroshiro64star.rs
+++ b/rand_xoshiro/src/xoroshiro64star.rs
@@ -9,7 +9,7 @@
 use rand_core::impls::{fill_bytes_via_next, next_u64_via_u32};
 use rand_core::le::read_u32_into;
 use rand_core::{RngCore, SeedableRng};
-#[cfg(feature = "serde1")]
+#[cfg(feature = "serde")]
 use serde::{Deserialize, Serialize};
 
 /// A xoroshiro64* random number generator.
@@ -23,7 +23,7 @@ use serde::{Deserialize, Serialize};
 /// David Blackman and Sebastiano Vigna.
 #[allow(missing_copy_implementations)]
 #[derive(Debug, Clone, PartialEq, Eq)]
-#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
 pub struct Xoroshiro64Star {
     s0: u32,
     s1: u32,
@@ -48,8 +48,6 @@ impl RngCore for Xoroshiro64Star {
     }
 }
 
-rand_core::impl_try_rng_from_rng_core!(Xoroshiro64Star);
-
 impl SeedableRng for Xoroshiro64Star {
     type Seed = [u8; 8];
 
diff --git a/rand_xoshiro/src/xoroshiro64starstar.rs b/rand_xoshiro/src/xoroshiro64starstar.rs
index 9e47fb41..b9cb45db 100644
--- a/rand_xoshiro/src/xoroshiro64starstar.rs
+++ b/rand_xoshiro/src/xoroshiro64starstar.rs
@@ -9,7 +9,7 @@
 use rand_core::impls::{fill_bytes_via_next, next_u64_via_u32};
 use rand_core::le::read_u32_into;
 use rand_core::{RngCore, SeedableRng};
-#[cfg(feature = "serde1")]
+#[cfg(feature = "serde")]
 use serde::{Deserialize, Serialize};
 
 /// A xoroshiro64** random number generator.
@@ -22,7 +22,7 @@ use serde::{Deserialize, Serialize};
 /// David Blackman and Sebastiano Vigna.
 #[allow(missing_copy_implementations)]
 #[derive(Debug, Clone, PartialEq, Eq)]
-#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
 pub struct Xoroshiro64StarStar {
     s0: u32,
     s1: u32,
@@ -47,8 +47,6 @@ impl RngCore for Xoroshiro64StarStar {
     }
 }
 
-rand_core::impl_try_rng_from_rng_core!(Xoroshiro64StarStar);
-
 impl SeedableRng for Xoroshiro64StarStar {
     type Seed = [u8; 8];
 
diff --git a/rand_xoshiro/src/xoshiro128plus.rs b/rand_xoshiro/src/xoshiro128plus.rs
index 50e41617..47f55c52 100644
--- a/rand_xoshiro/src/xoshiro128plus.rs
+++ b/rand_xoshiro/src/xoshiro128plus.rs
@@ -9,7 +9,7 @@
 use rand_core::impls::{fill_bytes_via_next, next_u64_via_u32};
 use rand_core::le::read_u32_into;
 use rand_core::{RngCore, SeedableRng};
-#[cfg(feature = "serde1")]
+#[cfg(feature = "serde")]
 use serde::{Deserialize, Serialize};
 
 /// A xoshiro128+ random number generator.
@@ -22,7 +22,7 @@ use serde::{Deserialize, Serialize};
 /// reference source code](http://xoshiro.di.unimi.it/xoshiro128starstar.c) by
 /// David Blackman and Sebastiano Vigna.
 #[derive(Debug, Clone, PartialEq, Eq)]
-#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
 pub struct Xoshiro128Plus {
     s: [u32; 4],
 }
@@ -94,7 +94,7 @@ impl RngCore for Xoshiro128Plus {
         fill_bytes_via_next(self, dest);
     }
 }
-rand_core::impl_try_rng_from_rng_core!(Xoshiro128Plus);
+
 #[cfg(test)]
 mod tests {
     use super::*;
diff --git a/rand_xoshiro/src/xoshiro128plusplus.rs b/rand_xoshiro/src/xoshiro128plusplus.rs
index eb222701..d2d8c4a3 100644
--- a/rand_xoshiro/src/xoshiro128plusplus.rs
+++ b/rand_xoshiro/src/xoshiro128plusplus.rs
@@ -9,7 +9,7 @@
 use rand_core::impls::{fill_bytes_via_next, next_u64_via_u32};
 use rand_core::le::read_u32_into;
 use rand_core::{RngCore, SeedableRng};
-#[cfg(feature = "serde1")]
+#[cfg(feature = "serde")]
 use serde::{Deserialize, Serialize};
 
 /// A xoshiro128++ random number generator.
@@ -21,7 +21,7 @@ use serde::{Deserialize, Serialize};
 /// reference source code](http://xoshiro.di.unimi.it/xoshiro128plusplus.c) by
 /// David Blackman and Sebastiano Vigna.
 #[derive(Debug, Clone, PartialEq, Eq)]
-#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
 pub struct Xoshiro128PlusPlus {
     s: [u32; 4],
 }
@@ -94,8 +94,6 @@ impl RngCore for Xoshiro128PlusPlus {
     }
 }
 
-rand_core::impl_try_rng_from_rng_core!(Xoshiro128PlusPlus);
-
 #[cfg(test)]
 mod tests {
     use super::*;
diff --git a/rand_xoshiro/src/xoshiro128starstar.rs b/rand_xoshiro/src/xoshiro128starstar.rs
index f22d81b4..af7a251c 100644
--- a/rand_xoshiro/src/xoshiro128starstar.rs
+++ b/rand_xoshiro/src/xoshiro128starstar.rs
@@ -9,7 +9,7 @@
 use rand_core::impls::{fill_bytes_via_next, next_u64_via_u32};
 use rand_core::le::read_u32_into;
 use rand_core::{RngCore, SeedableRng};
-#[cfg(feature = "serde1")]
+#[cfg(feature = "serde")]
 use serde::{Deserialize, Serialize};
 
 /// A xoshiro128** random number generator.
@@ -21,7 +21,7 @@ use serde::{Deserialize, Serialize};
 /// reference source code](http://xoshiro.di.unimi.it/xoshiro128starstar.c) by
 /// David Blackman and Sebastiano Vigna.
 #[derive(Debug, Clone, PartialEq, Eq)]
-#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
 pub struct Xoshiro128StarStar {
     s: [u32; 4],
 }
@@ -94,8 +94,6 @@ impl RngCore for Xoshiro128StarStar {
     }
 }
 
-rand_core::impl_try_rng_from_rng_core!(Xoshiro128StarStar);
-
 #[cfg(test)]
 mod tests {
     use super::*;
diff --git a/rand_xoshiro/src/xoshiro256plus.rs b/rand_xoshiro/src/xoshiro256plus.rs
index 27cd0bca..25ed5ffa 100644
--- a/rand_xoshiro/src/xoshiro256plus.rs
+++ b/rand_xoshiro/src/xoshiro256plus.rs
@@ -9,7 +9,7 @@
 use rand_core::impls::fill_bytes_via_next;
 use rand_core::le::read_u64_into;
 use rand_core::{RngCore, SeedableRng};
-#[cfg(feature = "serde1")]
+#[cfg(feature = "serde")]
 use serde::{Deserialize, Serialize};
 
 /// A xoshiro256+ random number generator.
@@ -22,7 +22,7 @@ use serde::{Deserialize, Serialize};
 /// reference source code](http://xoshiro.di.unimi.it/xoshiro256plus.c) by
 /// David Blackman and Sebastiano Vigna.
 #[derive(Debug, Clone, PartialEq, Eq)]
-#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
 pub struct Xoshiro256Plus {
     s: [u64; 4],
 }
@@ -115,8 +115,6 @@ impl RngCore for Xoshiro256Plus {
     }
 }
 
-rand_core::impl_try_rng_from_rng_core!(Xoshiro256Plus);
-
 #[cfg(test)]
 mod tests {
     use super::*;
diff --git a/rand_xoshiro/src/xoshiro256plusplus.rs b/rand_xoshiro/src/xoshiro256plusplus.rs
index bc30e31c..e27caffc 100644
--- a/rand_xoshiro/src/xoshiro256plusplus.rs
+++ b/rand_xoshiro/src/xoshiro256plusplus.rs
@@ -9,7 +9,7 @@
 use rand_core::impls::fill_bytes_via_next;
 use rand_core::le::read_u64_into;
 use rand_core::{RngCore, SeedableRng};
-#[cfg(feature = "serde1")]
+#[cfg(feature = "serde")]
 use serde::{Deserialize, Serialize};
 
 /// A xoshiro256++ random number generator.
@@ -21,7 +21,7 @@ use serde::{Deserialize, Serialize};
 /// reference source code](http://xoshiro.di.unimi.it/xoshiro256plusplus.c) by
 /// David Blackman and Sebastiano Vigna.
 #[derive(Debug, Clone, PartialEq, Eq)]
-#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
 pub struct Xoshiro256PlusPlus {
     s: [u64; 4],
 }
@@ -114,8 +114,6 @@ impl RngCore for Xoshiro256PlusPlus {
     }
 }
 
-rand_core::impl_try_rng_from_rng_core!(Xoshiro256PlusPlus);
-
 #[cfg(test)]
 mod tests {
     use super::*;
diff --git a/rand_xoshiro/src/xoshiro256starstar.rs b/rand_xoshiro/src/xoshiro256starstar.rs
index fb427977..7bc3beb5 100644
--- a/rand_xoshiro/src/xoshiro256starstar.rs
+++ b/rand_xoshiro/src/xoshiro256starstar.rs
@@ -9,7 +9,7 @@
 use rand_core::impls::fill_bytes_via_next;
 use rand_core::le::read_u64_into;
 use rand_core::{RngCore, SeedableRng};
-#[cfg(feature = "serde1")]
+#[cfg(feature = "serde")]
 use serde::{Deserialize, Serialize};
 
 /// A xoshiro256** random number generator.
@@ -21,7 +21,7 @@ use serde::{Deserialize, Serialize};
 /// reference source code](http://xoshiro.di.unimi.it/xoshiro256starstar.c) by
 /// David Blackman and Sebastiano Vigna.
 #[derive(Debug, Clone, PartialEq, Eq)]
-#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
 pub struct Xoshiro256StarStar {
     s: [u64; 4],
 }
@@ -114,8 +114,6 @@ impl RngCore for Xoshiro256StarStar {
     }
 }
 
-rand_core::impl_try_rng_from_rng_core!(Xoshiro256StarStar);
-
 #[cfg(test)]
 mod tests {
     use super::*;
diff --git a/rand_xoshiro/src/xoshiro512plus.rs b/rand_xoshiro/src/xoshiro512plus.rs
index c3e0a059..974829e3 100644
--- a/rand_xoshiro/src/xoshiro512plus.rs
+++ b/rand_xoshiro/src/xoshiro512plus.rs
@@ -9,7 +9,7 @@
 use rand_core::impls::fill_bytes_via_next;
 use rand_core::le::read_u64_into;
 use rand_core::{RngCore, SeedableRng};
-#[cfg(feature = "serde1")]
+#[cfg(feature = "serde")]
 use serde::{Deserialize, Serialize};
 
 use crate::Seed512;
@@ -24,7 +24,7 @@ use crate::Seed512;
 /// reference source code](http://xoshiro.di.unimi.it/xoshiro512plus.c) by
 /// David Blackman and Sebastiano Vigna.
 #[derive(Debug, Clone, PartialEq, Eq)]
-#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
 pub struct Xoshiro512Plus {
     s: [u64; 8],
 }
@@ -125,8 +125,6 @@ impl RngCore for Xoshiro512Plus {
     }
 }
 
-rand_core::impl_try_rng_from_rng_core!(Xoshiro512Plus);
-
 #[cfg(test)]
 mod tests {
     use super::*;
diff --git a/rand_xoshiro/src/xoshiro512plusplus.rs b/rand_xoshiro/src/xoshiro512plusplus.rs
index f546844a..c9f3c044 100644
--- a/rand_xoshiro/src/xoshiro512plusplus.rs
+++ b/rand_xoshiro/src/xoshiro512plusplus.rs
@@ -9,7 +9,7 @@
 use rand_core::impls::fill_bytes_via_next;
 use rand_core::le::read_u64_into;
 use rand_core::{RngCore, SeedableRng};
-#[cfg(feature = "serde1")]
+#[cfg(feature = "serde")]
 use serde::{Deserialize, Serialize};
 
 use crate::Seed512;
@@ -23,7 +23,7 @@ use crate::Seed512;
 /// reference source code](http://xoshiro.di.unimi.it/xoshiro512plusplus.c) by
 /// David Blackman and Sebastiano Vigna.
 #[derive(Debug, Clone, PartialEq, Eq)]
-#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
 pub struct Xoshiro512PlusPlus {
     s: [u64; 8],
 }
@@ -124,8 +124,6 @@ impl RngCore for Xoshiro512PlusPlus {
     }
 }
 
-rand_core::impl_try_rng_from_rng_core!(Xoshiro512PlusPlus);
-
 #[cfg(test)]
 mod tests {
     use super::*;
diff --git a/rand_xoshiro/src/xoshiro512starstar.rs b/rand_xoshiro/src/xoshiro512starstar.rs
index ac98a0f9..b57fd480 100644
--- a/rand_xoshiro/src/xoshiro512starstar.rs
+++ b/rand_xoshiro/src/xoshiro512starstar.rs
@@ -9,7 +9,7 @@
 use rand_core::impls::fill_bytes_via_next;
 use rand_core::le::read_u64_into;
 use rand_core::{RngCore, SeedableRng};
-#[cfg(feature = "serde1")]
+#[cfg(feature = "serde")]
 use serde::{Deserialize, Serialize};
 
 use crate::Seed512;
@@ -23,7 +23,7 @@ use crate::Seed512;
 /// reference source code](http://xoshiro.di.unimi.it/xoshiro512starstar.c) by
 /// David Blackman and Sebastiano Vigna.
 #[derive(Debug, Clone, PartialEq, Eq)]
-#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
 pub struct Xoshiro512StarStar {
     s: [u64; 8],
 }
@@ -124,8 +124,6 @@ impl RngCore for Xoshiro512StarStar {
     }
 }
 
-rand_core::impl_try_rng_from_rng_core!(Xoshiro512StarStar);
-
 #[cfg(test)]
 mod tests {
     use super::*;
diff --git a/rand_xoshiro/tests/serde.rs b/rand_xoshiro/tests/serde.rs
index 3c49eb43..4bdf19a4 100644
--- a/rand_xoshiro/tests/serde.rs
+++ b/rand_xoshiro/tests/serde.rs
@@ -1,4 +1,4 @@
-#![cfg(feature = "serde1")]
+#![cfg(feature = "serde")]
 
 use rand_core::{RngCore, SeedableRng};
 use rand_xoshiro::{