diff --git a/.librarian/state.yaml b/.librarian/state.yaml
index 8ba5fcd..d1d85bc 100644
--- a/.librarian/state.yaml
+++ b/.librarian/state.yaml
@@ -1,7 +1,7 @@
 image: us-central1-docker.pkg.dev/cloud-sdk-librarian-prod/images-prod/python-librarian-generator@sha256:d7caef319a25d618e20ba798b103434700bfd80015f525802d87621ca2528c90
 libraries:
   - id: proto-plus
-    version: 1.26.1
+    version: 1.27.0
     last_generated_commit: ""
     apis: []
     source_roots:
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0bc4e9a..ca969fb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,13 @@
 
 [1]: https://pypi.org/project/proto-plus/#history
 
+## [1.27.0](https://github.com/googleapis/proto-plus-python/compare/v1.26.1...v1.27.0) (2025-12-12)
+
+
+### Features
+
+* Add classifier for Python 3.14 (#544) ([d9f41512648c4551fc3e926649864c5dfe3964b2](https://github.com/googleapis/proto-plus-python/commit/d9f41512648c4551fc3e926649864c5dfe3964b2))
+
 ## [1.26.1](https://github.com/googleapis/proto-plus-python/compare/v1.26.0...v1.26.1) (2025-03-05)
 
 
diff --git a/proto/version.py b/proto/version.py
index 46d6b35..6ec343c 100644
--- a/proto/version.py
+++ b/proto/version.py
@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "1.26.1"
+__version__ = "1.27.0"