diff --git a/.release-please-bulk-manifest.json b/.release-please-bulk-manifest.json
index 98f2804c8f67..241da9eff939 100644
--- a/.release-please-bulk-manifest.json
+++ b/.release-please-bulk-manifest.json
@@ -7,7 +7,7 @@
   "packages/google-ai-generativelanguage": "0.12.1",
   "packages/google-analytics-admin": "0.30.2",
   "packages/google-analytics-data": "0.23.3",
-  "packages/google-api-core": "2.43.0",
+  "packages/google-api-core": "2.43.1",
   "packages/google-apps-card": "0.7.1",
   "packages/google-apps-chat": "0.10.7",
   "packages/google-apps-events-subscriptions": "0.6.1",
diff --git a/librarian.yaml b/librarian.yaml
index 7a63c62551c6..5f0a37aeddc3 100644
--- a/librarian.yaml
+++ b/librarian.yaml
@@ -152,7 +152,7 @@ libraries:
       metadata_name_override: analyticsdata
       default_version: v1beta
   - name: google-api-core
-    version: 2.43.0
+    version: 2.43.1
     python:
       library_type: CORE
   - name: google-apps-card
diff --git a/packages/google-api-core/CHANGELOG.md b/packages/google-api-core/CHANGELOG.md
index 60fb943d377a..671c34f43cb7 100644
--- a/packages/google-api-core/CHANGELOG.md
+++ b/packages/google-api-core/CHANGELOG.md
@@ -4,6 +4,13 @@
 
 [1]: https://pypi.org/project/google-api-core/#history
 
+## [2.43.1](https://github.com/googleapis/google-cloud-python/compare/google-api-core-v2.43.0...google-api-core-v2.43.1) (2026-10-28)
+
+
+### Bug Fixes
+
+* **google-api-core:** remove packages_distributions scan and shorten EOL warning window ([#18872](https://github.com/googleapis/google-cloud-python/issues/18872)) ([fa77b42](https://github.com/googleapis/google-cloud-python/commit/fa77b42af42933373c8143ac25635e376fcf3722))
+
 ## [2.43.0](https://github.com/googleapis/google-cloud-python/compare/google-api-core-v2.42.0...google-api-core-v2.43.0) (2026-10-22)
 
 
diff --git a/packages/google-api-core/google/api_core/version.py b/packages/google-api-core/google/api_core/version.py
index bcc7866e06f5..02bc94f9922e 100644
--- a/packages/google-api-core/google/api_core/version.py
+++ b/packages/google-api-core/google/api_core/version.py
@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = "2.43.0"
+__version__ = "2.43.1"