diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index fd23cf2f6..f760fdd07 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,4 +1,4 @@
 {
-    ".": "2.27.2"
+    ".": "2.27.3"
 }
   
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index bc11c524d..69b1f0c27 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,13 @@
 [1]: https://pypi.org/project/google-cloud-pubsub/#history
 
 
+## [2.27.3](https://github.com/googleapis/python-pubsub/compare/v2.27.2...v2.27.3) (2025-01-24)
+
+
+### Bug Fixes
+
+* Stop using api_core default timeouts in publish since they are broken ([#1326](https://github.com/googleapis/python-pubsub/issues/1326)) ([ba2c2ee](https://github.com/googleapis/python-pubsub/commit/ba2c2eef7da89a3c14c14d9b6191cd8738c30341))
+
 ## [2.27.2](https://github.com/googleapis/python-pubsub/compare/v2.27.1...v2.27.2) (2025-01-06)
 
 
diff --git a/google/pubsub/gapic_version.py b/google/pubsub/gapic_version.py
index d84bd2055..03a0c3372 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__ = "2.27.2"  # {x-release-please-version}
+__version__ = "2.27.3"  # {x-release-please-version}
diff --git a/google/pubsub_v1/gapic_version.py b/google/pubsub_v1/gapic_version.py
index d84bd2055..03a0c3372 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__ = "2.27.2"  # {x-release-please-version}
+__version__ = "2.27.3"  # {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 d96191968..f06040919 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": "2.27.2"
+    "version": "2.27.3"
   },
   "snippets": [
     {