diff --git a/CHANGELOG.md b/CHANGELOG.md
index a8e29ce..579780c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [2.9.1] - 2024-05-11 - Janosch Müller
+
+### Fixed
+
+- fixed unnecessary `$LOAD_PATH` searches at load time
+  * thanks to [Koichi ITO](https://github.com/koic)
+
 ## [2.9.0] - 2024-01-07 - Janosch Müller
 
 ### Added
diff --git a/lib/regexp_parser/version.rb b/lib/regexp_parser/version.rb
index 4b58ebd..e7be056 100644
--- a/lib/regexp_parser/version.rb
+++ b/lib/regexp_parser/version.rb
@@ -1,5 +1,5 @@
 class Regexp
   class Parser
-    VERSION = '2.9.0'
+    VERSION = '2.9.1'
   end
 end