diff --git a/.release-please-individual-manifest.json b/.release-please-individual-manifest.json
index 94e26fe963ef..c6e3e2a91ad6 100644
--- a/.release-please-individual-manifest.json
+++ b/.release-please-individual-manifest.json
@@ -12,7 +12,7 @@
   "packages/google-cloud-logging": "3.17.0",
   "packages/google-cloud-ndb": "2.7.1",
   "packages/google-cloud-observability": "0.1.0",
-  "packages/google-cloud-pubsub": "2.43.0",
+  "packages/google-cloud-pubsub": "2.44.0",
   "packages/google-cloud-spanner": "3.71.0",
   "packages/google-cloud-spanner-dbapi-driver": "0.0.0",
   "packages/google-cloud-storage": "3.17.1",
diff --git a/librarian.yaml b/librarian.yaml
index 7dd3e8266fc1..8ce14bb6f6fe 100644
--- a/librarian.yaml
+++ b/librarian.yaml
@@ -1756,7 +1756,7 @@ libraries:
     python:
       default_version: v1
   - name: google-cloud-pubsub
-    version: 2.43.0
+    version: 2.44.0
     apis:
       - path: google/pubsub/v1
     python:
diff --git a/packages/google-cloud-pubsub/CHANGELOG.md b/packages/google-cloud-pubsub/CHANGELOG.md
index db94002aca6d..a79abd24ecea 100644
--- a/packages/google-cloud-pubsub/CHANGELOG.md
+++ b/packages/google-cloud-pubsub/CHANGELOG.md
@@ -4,6 +4,13 @@
 
 [1]: https://pypi.org/project/google-cloud-pubsub/#history
 
+## [2.44.0](https://github.com/googleapis/google-cloud-python/compare/google-cloud-pubsub-v2.43.0...google-cloud-pubsub-v2.44.0) (2026-11-10)
+
+
+### Features
+
+* update API sources and regenerate ([#19036](https://github.com/googleapis/google-cloud-python/issues/19036)) ([b64a9e5](https://github.com/googleapis/google-cloud-python/commit/b64a9e51a22810d4e3b4c44b13847eb96c604628))
+
 ## [2.43.0](https://github.com/googleapis/google-cloud-python/compare/google-cloud-pubsub-v2.42.0...google-cloud-pubsub-v2.43.0) (2026-10-15)
 
 
diff --git a/packages/google-cloud-pubsub/google/pubsub/gapic_version.py b/packages/google-cloud-pubsub/google/pubsub/gapic_version.py
index 5b2af50d81d1..fc8d804edbc1 100644
--- a/packages/google-cloud-pubsub/google/pubsub/gapic_version.py
+++ b/packages/google-cloud-pubsub/google/pubsub/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "2.43.0"  # {x-release-please-version}
+__version__ = "2.44.0"  # {x-release-please-version}
diff --git a/packages/google-cloud-pubsub/google/pubsub_v1/gapic_version.py b/packages/google-cloud-pubsub/google/pubsub_v1/gapic_version.py
index 5b2af50d81d1..fc8d804edbc1 100644
--- a/packages/google-cloud-pubsub/google/pubsub_v1/gapic_version.py
+++ b/packages/google-cloud-pubsub/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__ = "2.43.0"  # {x-release-please-version}
+__version__ = "2.44.0"  # {x-release-please-version}
diff --git a/packages/google-cloud-pubsub/samples/generated_samples/snippet_metadata_google.pubsub.v1.json b/packages/google-cloud-pubsub/samples/generated_samples/snippet_metadata_google.pubsub.v1.json
index 10664d771a14..d96623eb0c2d 100644
--- a/packages/google-cloud-pubsub/samples/generated_samples/snippet_metadata_google.pubsub.v1.json
+++ b/packages/google-cloud-pubsub/samples/generated_samples/snippet_metadata_google.pubsub.v1.json
@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-pubsub",
-    "version": "2.43.0"
+    "version": "2.44.0"
   },
   "snippets": [
     {