diff --git a/.librarian/state.yaml b/.librarian/state.yaml
index 6fb8be06a7..381824b372 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:b8058df4c45e9a6e07f6b4d65b458d0d059241dd34c814f151c8bf6b89211209
 libraries:
   - id: google-cloud-spanner
-    version: 3.60.0
+    version: 3.61.0
     last_generated_commit: a17b84add8318f780fcc8a027815d5fee644b9f7
     apis:
       - path: google/spanner/admin/instance/v1
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0a5a487e85..73b4a8d8d3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,13 @@
 
 [1]: https://pypi.org/project/google-cloud-spanner/#history
 
+## [3.61.0](https://github.com/googleapis/python-spanner/compare/v3.60.0...v3.61.0) (2025-12-16)
+
+
+### Features
+
+* support mTLS certificates when available (#1467) ([df87c3ed55db7cffa2eed4d7316ca5c375af1c5a](https://github.com/googleapis/python-spanner/commit/df87c3ed55db7cffa2eed4d7316ca5c375af1c5a))
+
 ## [3.60.0](https://github.com/googleapis/python-spanner/compare/v3.59.0...v3.60.0) (2025-12-10)
 
 
diff --git a/google/cloud/spanner_admin_database_v1/gapic_version.py b/google/cloud/spanner_admin_database_v1/gapic_version.py
index 992322a033..89cb359ff2 100644
--- a/google/cloud/spanner_admin_database_v1/gapic_version.py
+++ b/google/cloud/spanner_admin_database_v1/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "3.60.0"  # {x-release-please-version}
+__version__ = "3.61.0"  # {x-release-please-version}
diff --git a/google/cloud/spanner_admin_instance_v1/gapic_version.py b/google/cloud/spanner_admin_instance_v1/gapic_version.py
index 992322a033..89cb359ff2 100644
--- a/google/cloud/spanner_admin_instance_v1/gapic_version.py
+++ b/google/cloud/spanner_admin_instance_v1/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "3.60.0"  # {x-release-please-version}
+__version__ = "3.61.0"  # {x-release-please-version}
diff --git a/google/cloud/spanner_dbapi/version.py b/google/cloud/spanner_dbapi/version.py
index ee7431572b..86252a8635 100644
--- a/google/cloud/spanner_dbapi/version.py
+++ b/google/cloud/spanner_dbapi/version.py
@@ -15,6 +15,6 @@
 import platform
 
 PY_VERSION = platform.python_version()
-__version__ = "3.60.0"
+__version__ = "3.61.0"
 VERSION = __version__
 DEFAULT_USER_AGENT = "gl-dbapi/" + VERSION
diff --git a/google/cloud/spanner_v1/gapic_version.py b/google/cloud/spanner_v1/gapic_version.py
index 992322a033..89cb359ff2 100644
--- a/google/cloud/spanner_v1/gapic_version.py
+++ b/google/cloud/spanner_v1/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "3.60.0"  # {x-release-please-version}
+__version__ = "3.61.0"  # {x-release-please-version}
diff --git a/samples/generated_samples/snippet_metadata_google.spanner.admin.database.v1.json b/samples/generated_samples/snippet_metadata_google.spanner.admin.database.v1.json
index 0bfe97d988..4fd6fa5396 100644
--- a/samples/generated_samples/snippet_metadata_google.spanner.admin.database.v1.json
+++ b/samples/generated_samples/snippet_metadata_google.spanner.admin.database.v1.json
@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-spanner-admin-database",
-    "version": "3.60.0"
+    "version": "3.61.0"
   },
   "snippets": [
     {
diff --git a/samples/generated_samples/snippet_metadata_google.spanner.admin.instance.v1.json b/samples/generated_samples/snippet_metadata_google.spanner.admin.instance.v1.json
index 9b51de3471..bae057d766 100644
--- a/samples/generated_samples/snippet_metadata_google.spanner.admin.instance.v1.json
+++ b/samples/generated_samples/snippet_metadata_google.spanner.admin.instance.v1.json
@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-spanner-admin-instance",
-    "version": "3.60.0"
+    "version": "3.61.0"
   },
   "snippets": [
     {
diff --git a/samples/generated_samples/snippet_metadata_google.spanner.v1.json b/samples/generated_samples/snippet_metadata_google.spanner.v1.json
index 1ec5a82e5a..5148cfa6df 100644
--- a/samples/generated_samples/snippet_metadata_google.spanner.v1.json
+++ b/samples/generated_samples/snippet_metadata_google.spanner.v1.json
@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-spanner",
-    "version": "3.60.0"
+    "version": "3.61.0"
   },
   "snippets": [
     {