diff --git a/libm/CHANGELOG.md b/libm/CHANGELOG.md
new file mode 100644
index 00000000..e44c035e
--- /dev/null
+++ b/libm/CHANGELOG.md
@@ -0,0 +1,17 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [Unreleased]
+
+## [0.2.12](https://github.com/rust-lang/libm/compare/libm-v0.2.11...libm-v0.2.12) - 2025-04-18
+
+### Other
+
+- Migrate all crates except `libm` to edition 2024
+- Introduce a virtual manifest
+- Move the `libm` crate to a subdirectory
+- Use `https:` links in `README.md`
diff --git a/libm/Cargo.toml b/libm/Cargo.toml
index 44154c1a..54af2243 100644
--- a/libm/Cargo.toml
+++ b/libm/Cargo.toml
@@ -8,7 +8,7 @@ license = "MIT"
 name = "libm"
 readme = "README.md"
 repository = "https://github.com/rust-lang/libm"
-version = "0.2.11"
+version = "0.2.12"
 edition = "2021"
 rust-version = "1.63"