diff --git a/CHANGELOG.md b/CHANGELOG.md
index c236ac0..bb9ad2c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+# [3.4.0](http://github.com/rlespinasse/github-slug-action/compare/3.3.0...3.4.0) (2021-03-02)
+
+
+### Features
+
+* add _CS suffix to keep value case-sensitive ([6c93fcb](http://github.com/rlespinasse/github-slug-action/commit/6c93fcbf53da9c6415bd7f5e37579b488f34339e))
+
 # [3.3.0](http://github.com/rlespinasse/github-slug-action/compare/3.2.0...3.3.0) (2021-01-25)