diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3f47174..706cae3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,11 @@
 Changelog
 =========
 
+#### Version 3.9.1 (2024-05-07)
+
+* Add crypto in topics to pubspec.yaml (PR #237)
+* remove unnecessary ! operator from some files (PR #236)
+
 #### Version 3.9.0 (2024-04-19)
 
 * Update minimum SDK version to 3.2.0 (PR #231)
diff --git a/pubspec.yaml b/pubspec.yaml
index 1ad83b7..b8c7eaa 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: pointycastle
-version: 3.9.0
+version: 3.9.1
 description: A Dart library implementing cryptographic algorithms and primitives, modeled on the BouncyCastle library.
 homepage: https://github.com/bcgit/pc-dart
 topics: