diff --git a/.librarian/state.yaml b/.librarian/state.yaml
index 5fb58467..b7fa52ea 100644
--- a/.librarian/state.yaml
+++ b/.librarian/state.yaml
@@ -1,7 +1,8 @@
 image: us-central1-docker.pkg.dev/cloud-sdk-librarian-prod/images-prod/python-librarian-generator@sha256:97c3041de740f26b132d3c5d43f0097f990e8b0d1f2e6707054840024c20ab0c
 libraries:
   - id: google-cloud-ndb
-    version: 2.3.4
+    version: 2.4.0
+    last_generated_commit: ""
     apis: []
     source_roots:
       - .
diff --git a/CHANGELOG.md b/CHANGELOG.md
index f1ca1702..eeb8d99a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,13 @@
 
 [1]: https://pypi.org/project/google-cloud-ndb/#history
 
+## [2.4.0](https://github.com/googleapis/google-cloud-python/compare/google-cloud-ndb-v2.3.4...google-cloud-ndb-v2.4.0) (2025-12-15)
+
+
+### Features
+
+* Add support for Python 3.14 (#1028) ([947ff9b73c516f18b0411b828d45eb4bd8b95d39](https://github.com/googleapis/google-cloud-python/commit/947ff9b73c516f18b0411b828d45eb4bd8b95d39))
+
 ## [2.3.4](https://github.com/googleapis/python-ndb/compare/v2.3.3...v2.3.4) (2025-06-11)
 
 
diff --git a/google/cloud/ndb/version.py b/google/cloud/ndb/version.py
index c6a8c90b..b3df0359 100644
--- a/google/cloud/ndb/version.py
+++ b/google/cloud/ndb/version.py
@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "2.3.4"
+__version__ = "2.4.0"