diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index a90773bc4898..b09d9102d848 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -11,5 +11,5 @@
     "packages/google-cloud-os-login": "2.18.0",
     "packages/google-cloud-secret-manager": "2.25.0",
     "packages/grafeas": "1.16.0",
-    "packages/grpc-google-iam-v1": "0.14.2"
+    "packages/grpc-google-iam-v1": "0.14.3"
 }
diff --git a/packages/grpc-google-iam-v1/CHANGELOG.md b/packages/grpc-google-iam-v1/CHANGELOG.md
index 501ab97b4b95..8cc925adb97d 100644
--- a/packages/grpc-google-iam-v1/CHANGELOG.md
+++ b/packages/grpc-google-iam-v1/CHANGELOG.md
@@ -4,6 +4,18 @@
 
 [1]: https://pypi.org/project/grpc-google-iam-v1/#history
 
+## [0.14.3](https://github.com/googleapis/google-cloud-python/compare/grpc-google-iam-v1-v0.14.2...grpc-google-iam-v1-v0.14.3) (2025-10-15)
+
+
+### Features
+
+* add support for Python 3.14 ([0f94b9e](https://github.com/googleapis/google-cloud-python/commit/0f94b9ea258b461e9c68e7702ba6386c10f6d02c))
+
+
+### Bug Fixes
+
+* regenerate pb2 files with protoc v25.3 ([0f94b9e](https://github.com/googleapis/google-cloud-python/commit/0f94b9ea258b461e9c68e7702ba6386c10f6d02c))
+
 ## [0.14.2](https://github.com/googleapis/google-cloud-python/compare/grpc-google-iam-v1-v0.14.1...grpc-google-iam-v1-v0.14.2) (2025-03-15)
 
 
diff --git a/packages/grpc-google-iam-v1/pyproject.toml b/packages/grpc-google-iam-v1/pyproject.toml
index 3d1ab25a5273..9edd60a1865f 100644
--- a/packages/grpc-google-iam-v1/pyproject.toml
+++ b/packages/grpc-google-iam-v1/pyproject.toml
@@ -18,7 +18,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "grpc-google-iam-v1"
-version = "0.14.2"
+version = "0.14.3"
 authors = [{ name = "Google LLC", email = "googleapis-packages@google.com" }]
 license = { text = "Apache 2.0" }
 requires-python = ">=3.7"