diff --git a/CHANGELOG.md b/CHANGELOG.md
index ac6405e5..b3c40d2e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,13 @@
 
 [1]: https://pypi.org/project/google-api-core/#history
 
+### [1.31.4](https://www.github.com/googleapis/python-api-core/compare/v1.31.3...v1.31.4) (2021-11-08)
+
+
+### Bug Fixes
+
+* fix(deps): allow protobuf >=3.18.0 for python 3 users ([#305](https://www.github.com/googleapis/python-api-core/issues/305)) ([286347e](https://github.com/googleapis/python-api-core/commit/286347e22816057d7e50f61dc1f1f274fa90dde8))
+
 ### [1.31.3](https://www.github.com/googleapis/python-api-core/compare/v1.31.2...v1.31.3) (2021-09-20)
 
 
diff --git a/google/api_core/version.py b/google/api_core/version.py
index 8a73b2fc..452b047d 100644
--- a/google/api_core/version.py
+++ b/google/api_core/version.py
@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = "1.31.3"
+__version__ = "1.31.4"