diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index ac76056b..9619273c 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,4 +1,4 @@
 {
-    ".": "1.12.0"
+    ".": "1.12.1"
 }
   
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 585dab2a..567f1573 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [1.12.1](https://github.com/googleapis/python-pubsublite/compare/v1.12.0...v1.12.1) (2025-05-21)
+
+
+### Bug Fixes
+
+* Remove setup.cfg configuration for creating universal wheels ([#551](https://github.com/googleapis/python-pubsublite/issues/551)) ([a45e534](https://github.com/googleapis/python-pubsublite/commit/a45e534ac0fac29f72adb2006ba640faa6a232f6))
+
 ## [1.12.0](https://github.com/googleapis/python-pubsublite/compare/v1.11.1...v1.12.0) (2025-02-24)
 
 
diff --git a/google/cloud/pubsublite/gapic_version.py b/google/cloud/pubsublite/gapic_version.py
index 7138f214..0d065af3 100644
--- a/google/cloud/pubsublite/gapic_version.py
+++ b/google/cloud/pubsublite/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "1.12.0"  # {x-release-please-version}
+__version__ = "1.12.1"  # {x-release-please-version}
diff --git a/google/cloud/pubsublite_v1/gapic_version.py b/google/cloud/pubsublite_v1/gapic_version.py
index 7138f214..0d065af3 100644
--- a/google/cloud/pubsublite_v1/gapic_version.py
+++ b/google/cloud/pubsublite_v1/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "1.12.0"  # {x-release-please-version}
+__version__ = "1.12.1"  # {x-release-please-version}
diff --git a/samples/generated_samples/snippet_metadata_google.cloud.pubsublite.v1.json b/samples/generated_samples/snippet_metadata_google.cloud.pubsublite.v1.json
index 238b7b3e..9f3d32b2 100644
--- a/samples/generated_samples/snippet_metadata_google.cloud.pubsublite.v1.json
+++ b/samples/generated_samples/snippet_metadata_google.cloud.pubsublite.v1.json
@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-pubsublite",
-    "version": "0.1.0"
+    "version": "1.12.1"
   },
   "snippets": [
     {