diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index f32ff8487..f893c8067 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,4 +1,4 @@
 {
-    ".": "2.21.2"
+    ".": "2.21.3"
 }
   
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index bfd5ce7b1..a01dda80b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,13 @@
 [1]: https://pypi.org/project/google-cloud-pubsub/#history
 
 
+## [2.21.3](https://github.com/googleapis/python-pubsub/compare/v2.21.2...v2.21.3) (2024-06-07)
+
+
+### Bug Fixes
+
+* Typecheck errors in samples/snippets/subscriber.py ([#1186](https://github.com/googleapis/python-pubsub/issues/1186)) ([3698450](https://github.com/googleapis/python-pubsub/commit/3698450041cb4db0e2957832c24450f674b89c11))
+
 ## [2.21.2](https://github.com/googleapis/python-pubsub/compare/v2.21.1...v2.21.2) (2024-05-30)
 
 
diff --git a/google/pubsub/gapic_version.py b/google/pubsub/gapic_version.py
index b5c52129e..71dc4e9b4 100644
--- a/google/pubsub/gapic_version.py
+++ b/google/pubsub/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "2.21.2"  # {x-release-please-version}
+__version__ = "2.21.3"  # {x-release-please-version}
diff --git a/google/pubsub_v1/gapic_version.py b/google/pubsub_v1/gapic_version.py
index b5c52129e..71dc4e9b4 100644
--- a/google/pubsub_v1/gapic_version.py
+++ b/google/pubsub_v1/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "2.21.2"  # {x-release-please-version}
+__version__ = "2.21.3"  # {x-release-please-version}
diff --git a/samples/generated_samples/snippet_metadata_google.pubsub.v1.json b/samples/generated_samples/snippet_metadata_google.pubsub.v1.json
index 5bfc0254b..74c5d4caa 100644
--- a/samples/generated_samples/snippet_metadata_google.pubsub.v1.json
+++ b/samples/generated_samples/snippet_metadata_google.pubsub.v1.json
@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-pubsub",
-    "version": "2.21.2"
+    "version": "2.21.3"
   },
   "snippets": [
     {