diff --git a/Cargo.lock b/Cargo.lock
index ea925fbfcbb2f9..efa8b74c85b856 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -6956,6 +6956,15 @@ dependencies = [
  "tiny-bip39",
 ]
 
+[[package]]
+name = "solana-last-restart-slot"
+version = "2.1.0"
+dependencies = [
+ "serde",
+ "serde_derive",
+ "solana-sdk-macro",
+]
+
 [[package]]
 name = "solana-lattice-hash"
 version = "2.1.0"
@@ -7416,6 +7425,7 @@ dependencies = [
  "solana-frozen-abi-macro",
  "solana-hash",
  "solana-instruction",
+ "solana-last-restart-slot",
  "solana-logger",
  "solana-msg",
  "solana-native-token",
diff --git a/Cargo.toml b/Cargo.toml
index 3b3ed11f0c7166..6e80d68cf73e5e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -435,6 +435,7 @@ solana-gossip = { path = "gossip", version = "=2.1.0" }
 solana-hash = { path = "sdk/hash", version = "=2.1.0", default-features = false }
 solana-inline-spl = { path = "inline-spl", version = "=2.1.0" }
 solana-instruction = { path = "sdk/instruction", version = "=2.1.0", default-features = false }
+solana-last-restart-slot = { path = "sdk/last-restart-slot", version = "=2.1.0" }
 solana-lattice-hash = { path = "lattice-hash", version = "=2.1.0" }
 solana-ledger = { path = "ledger", version = "=2.1.0" }
 solana-loader-v4-program = { path = "programs/loader-v4", version = "=2.1.0" }
diff --git a/programs/sbf/Cargo.lock b/programs/sbf/Cargo.lock
index ca9f8ec5720ecd..0e897cb60a2d14 100644
--- a/programs/sbf/Cargo.lock
+++ b/programs/sbf/Cargo.lock
@@ -5498,6 +5498,15 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "solana-last-restart-slot"
+version = "2.1.0"
+dependencies = [
+ "serde",
+ "serde_derive",
+ "solana-sdk-macro",
+]
+
 [[package]]
 name = "solana-lattice-hash"
 version = "2.1.0"
@@ -5786,6 +5795,7 @@ dependencies = [
  "solana-fee-calculator",
  "solana-hash",
  "solana-instruction",
+ "solana-last-restart-slot",
  "solana-msg",
  "solana-native-token",
  "solana-program-entrypoint",
diff --git a/sdk/last-restart-slot/Cargo.toml b/sdk/last-restart-slot/Cargo.toml
new file mode 100644
index 00000000000000..7091a13dfd6a16
--- /dev/null
+++ b/sdk/last-restart-slot/Cargo.toml
@@ -0,0 +1,23 @@
+[package]
+name = "solana-last-restart-slot"
+description = "Types and utilities for the Solana LastRestartSlot sysvar."
+documentation = "https://docs.rs/solana-last-restart-slot"
+version = { workspace = true }
+authors = { workspace = true }
+repository = { workspace = true }
+homepage = { workspace = true }
+license = { workspace = true }
+edition = { workspace = true }
+
+[dependencies]
+serde = { workspace = true, optional = true }
+serde_derive = { workspace = true, optional = true }
+solana-sdk-macro = { workspace = true }
+
+[features]
+serde = ["dep:serde", "dep:serde_derive"]
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
+all-features = true
+rustdoc-args = ["--cfg=docsrs"]
diff --git a/sdk/last-restart-slot/src/lib.rs b/sdk/last-restart-slot/src/lib.rs
new file mode 100644
index 00000000000000..0ab962f147b98c
--- /dev/null
+++ b/sdk/last-restart-slot/src/lib.rs
@@ -0,0 +1,15 @@
+//! Information about the last restart slot (hard fork).
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
+
+use solana_sdk_macro::CloneZeroed;
+
+#[repr(C)]
+#[cfg_attr(
+    feature = "serde",
+    derive(serde_derive::Deserialize, serde_derive::Serialize)
+)]
+#[derive(Debug, CloneZeroed, PartialEq, Eq, Default)]
+pub struct LastRestartSlot {
+    /// The last restart `Slot`.
+    pub last_restart_slot: u64,
+}
diff --git a/sdk/program/Cargo.toml b/sdk/program/Cargo.toml
index 6eab63fe4e5f97..5d9c062098dbf0 100644
--- a/sdk/program/Cargo.toml
+++ b/sdk/program/Cargo.toml
@@ -53,6 +53,7 @@ solana-instruction = { workspace = true, default-features = false, features = [
     "serde",
     "std",
 ] }
+solana-last-restart-slot = { workspace = true, features = ["serde"] }
 solana-msg = { workspace = true }
 solana-native-token = { workspace = true }
 solana-program-entrypoint = { workspace = true }
diff --git a/sdk/program/src/last_restart_slot.rs b/sdk/program/src/last_restart_slot.rs
deleted file mode 100644
index 880685a096b5b1..00000000000000
--- a/sdk/program/src/last_restart_slot.rs
+++ /dev/null
@@ -1,10 +0,0 @@
-//! Information about the last restart slot (hard fork).
-
-use {solana_clock::Slot, solana_sdk_macro::CloneZeroed};
-
-#[repr(C)]
-#[derive(Serialize, Deserialize, Debug, CloneZeroed, PartialEq, Eq, Default)]
-pub struct LastRestartSlot {
-    /// The last restart `Slot`.
-    pub last_restart_slot: Slot,
-}
diff --git a/sdk/program/src/lib.rs b/sdk/program/src/lib.rs
index 9b47d19a261b18..26df24aeeae252 100644
--- a/sdk/program/src/lib.rs
+++ b/sdk/program/src/lib.rs
@@ -487,7 +487,6 @@ pub mod incinerator;
 pub mod instruction;
 pub mod keccak;
 pub mod lamports;
-pub mod last_restart_slot;
 pub mod loader_instruction;
 pub mod loader_upgradeable_instruction;
 pub mod loader_v4;
@@ -522,6 +521,8 @@ pub use solana_borsh::v0_10 as borsh0_10;
 pub use solana_borsh::v1 as borsh1;
 #[deprecated(since = "2.1.0", note = "Use `solana-fee-calculator` crate instead")]
 pub use solana_fee_calculator as fee_calculator;
+#[deprecated(since = "2.1.0", note = "Use `solana-last-restart-slot` crate instead")]
+pub use solana_last_restart_slot as last_restart_slot;
 #[deprecated(since = "2.1.0", note = "Use `solana-program-memory` crate instead")]
 pub use solana_program_memory as program_memory;
 #[deprecated(since = "2.1.0", note = "Use `solana-program-pack` crate instead")]