diff --git a/packages/google-cloud-api-keys/.release-please-manifest.json b/packages/google-cloud-api-keys/.release-please-manifest.json
index 0ee8c01286c3..2537c1f1d8d8 100644
--- a/packages/google-cloud-api-keys/.release-please-manifest.json
+++ b/packages/google-cloud-api-keys/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.3.0"
+  ".": "0.4.0"
 }
diff --git a/packages/google-cloud-api-keys/CHANGELOG.md b/packages/google-cloud-api-keys/CHANGELOG.md
index 53012ae35c3f..31ae914cd405 100644
--- a/packages/google-cloud-api-keys/CHANGELOG.md
+++ b/packages/google-cloud-api-keys/CHANGELOG.md
@@ -1,5 +1,17 @@
 # Changelog
 
+## [0.4.0](https://github.com/googleapis/python-api-keys/compare/v0.3.0...v0.4.0) (2022-11-16)
+
+
+### Features
+
+* Add typing to proto.Message based class attributes ([d336d7d](https://github.com/googleapis/python-api-keys/commit/d336d7d554296b824f7ecf38648550307e5f0cd4))
+
+
+### Documentation
+
+* **samples:** Snippetgen handling of repeated enum field ([d336d7d](https://github.com/googleapis/python-api-keys/commit/d336d7d554296b824f7ecf38648550307e5f0cd4))
+
 ## [0.3.0](https://github.com/googleapis/python-api-keys/compare/v0.2.2...v0.3.0) (2022-11-08)
 
 
diff --git a/packages/google-cloud-api-keys/google/cloud/api_keys/gapic_version.py b/packages/google-cloud-api-keys/google/cloud/api_keys/gapic_version.py
index a6ccd663d16f..933e30bee98c 100644
--- a/packages/google-cloud-api-keys/google/cloud/api_keys/gapic_version.py
+++ b/packages/google-cloud-api-keys/google/cloud/api_keys/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "0.3.0"  # {x-release-please-version}
+__version__ = "0.4.0"  # {x-release-please-version}
diff --git a/packages/google-cloud-api-keys/samples/generated_samples/snippet_metadata_google.api.apikeys.v2.json b/packages/google-cloud-api-keys/samples/generated_samples/snippet_metadata_google.api.apikeys.v2.json
index 3d8902cac4a6..7c8f0f786609 100644
--- a/packages/google-cloud-api-keys/samples/generated_samples/snippet_metadata_google.api.apikeys.v2.json
+++ b/packages/google-cloud-api-keys/samples/generated_samples/snippet_metadata_google.api.apikeys.v2.json
@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-api-keys",
-    "version": "0.1.0"
+    "version": "0.4.0"
   },
   "snippets": [
     {