diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 63874e6..9ad831a 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1 +1 @@
-{".":"4.2.0"}
\ No newline at end of file
+{".":"4.2.1"}
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3f11e02..4258100 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [4.2.1](https://github.com/streamnative/terraform-aws-cloud/compare/v4.2.0...v4.2.1) (2025-05-07)
+
+
+### Bug Fixes
+
+* **vpc:** region regex validation ([#155](https://github.com/streamnative/terraform-aws-cloud/issues/155)) ([9b5ce47](https://github.com/streamnative/terraform-aws-cloud/commit/9b5ce47e533642fa282554910384fab7af2665de))
+
 ## [4.2.0](https://github.com/streamnative/terraform-aws-cloud/compare/v4.1.2...v4.2.0) (2025-03-04)