diff --git a/CHANGELOG.md b/CHANGELOG.md
index ecccc924ec34..5d8497823a66 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,15 @@
 # Changelog
 
 ## [Unreleased]
+## [0.2.166](https://github.com/rust-lang/libc/compare/0.2.165...0.2.166) - 2024-11-26
+
+### Fixed
+
+This release resolves two cases of unintentional breakage from the previous release:
+
+- Revert removal of array size hacks [#4150](https://github.com/rust-lang/libc/pull/4150)
+- Ensure `const extern` functions are always enabled [#4151](https://github.com/rust-lang/libc/pull/4151)
+
 ## [0.2.165](https://github.com/rust-lang/libc/compare/0.2.164...0.2.165) - 2024-11-25
 
 ### Added
diff --git a/Cargo.toml b/Cargo.toml
index be4bd9f916d8..97ba138b9db5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "libc"
-version = "0.2.165"
+version = "0.2.166"
 authors = ["The Rust Project Developers"]
 license = "MIT OR Apache-2.0"
 readme = "README.md"
diff --git a/libc-test/Cargo.toml b/libc-test/Cargo.toml
index 39e42c8b7875..2e6c15bbd073 100644
--- a/libc-test/Cargo.toml
+++ b/libc-test/Cargo.toml
@@ -14,7 +14,7 @@ A test crate for the libc crate.
 
 [dependencies.libc]
 path = ".."
-version = "0.2.165"
+version = "0.2.166"
 default-features = false
 
 [build-dependencies]