diff --git a/tls_codec/CHANGELOG.md b/tls_codec/CHANGELOG.md
index 3d6397e3..1bdd6bca 100644
--- a/tls_codec/CHANGELOG.md
+++ b/tls_codec/CHANGELOG.md
@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+- [#1628](https://github.com/RustCrypto/formats/pull/1628) Bump MSRV to 1.74
+
 ## 0.4.1
 
 - [#1284](https://github.com/RustCrypto/formats/pull/1284): implement `U24`. A `U24` integer type can be used for length encoding in three bytes.
diff --git a/tls_codec/Cargo.toml b/tls_codec/Cargo.toml
index cd998c75..3eaa5ddf 100644
--- a/tls_codec/Cargo.toml
+++ b/tls_codec/Cargo.toml
@@ -9,7 +9,7 @@ readme = "README.md"
 homepage = "https://github.com/RustCrypto/formats/tree/master/tls_codec"
 repository = "https://github.com/RustCrypto/formats"
 edition = "2021"
-rust-version = "1.70"
+rust-version = "1.74"
 
 [dependencies]
 zeroize = { version = "1.8", default-features = false, features = [
diff --git a/tls_codec/README.md b/tls_codec/README.md
index dd4ca166..be0b94f8 100644
--- a/tls_codec/README.md
+++ b/tls_codec/README.md
@@ -37,7 +37,7 @@ serialization/deserialization
 
 ## Minimum Supported Rust Version
 
-This crate requires **Rust 1.70.0** at a minimum.
+This crate requires **Rust 1.74.0** at a minimum.
 
 We may change the MSRV in the future, but it will be accompanied by a minor
 version bump.