diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3e24857aa..94d3ad0c5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,7 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 from `1.0.0` onwards. Releases before that with a version matching `0.y.z` may
 increment the `minor` version for breaking changes.
 
-## [Unreleased] [Patch]
+## [0.2.1] [Patch] - 2021-11-27
 ### Added
 - `HelperFunctionsTest` test suite (for version and memory order functions)
 - `PATOMIC_GNU_INLINE_ALWAYS_INLINE_ATTR` config macro
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 434186ebd..da70b3673 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,7 +5,7 @@ include(cmake/InSourceGuard.cmake)
 
 project(
     patomic
-    VERSION 0.2.0
+    VERSION 0.2.1
     DESCRIPTION "Portable C90 Atomics Library"
     HOMEPAGE_URL "https://github.com/doodspav/patomic"
     LANGUAGES C