diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 6581790196..8dac71dc4a 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-    ".": "3.44.0"
+    ".": "3.45.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index d73ddf901f..8dceb4eaa6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,18 @@
 
 [1]: https://pypi.org/project/google-cloud-spanner/#history
 
+## [3.45.0](https://github.com/googleapis/python-spanner/compare/v3.44.0...v3.45.0) (2024-04-17)
+
+
+### Features
+
+* Add support for PG.OID in parameterized queries ([#1035](https://github.com/googleapis/python-spanner/issues/1035)) ([ea5efe4](https://github.com/googleapis/python-spanner/commit/ea5efe4d0bc2790b5172e43e1b66fa3997190adf))
+
+
+### Bug Fixes
+
+* Dates before 1000AD should use 4-digit years ([#1132](https://github.com/googleapis/python-spanner/issues/1132)) ([0ef6565](https://github.com/googleapis/python-spanner/commit/0ef65657de631d876636d11756237496b7713e22)), closes [#1131](https://github.com/googleapis/python-spanner/issues/1131)
+
 ## [3.44.0](https://github.com/googleapis/python-spanner/compare/v3.43.0...v3.44.0) (2024-03-13)
 
 
diff --git a/google/cloud/spanner_admin_database_v1/gapic_version.py b/google/cloud/spanner_admin_database_v1/gapic_version.py
index d8ad1d2cc3..2e808494c6 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__ = "3.44.0"  # {x-release-please-version}
+__version__ = "3.45.0"  # {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 d8ad1d2cc3..2e808494c6 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__ = "3.44.0"  # {x-release-please-version}
+__version__ = "3.45.0"  # {x-release-please-version}
diff --git a/google/cloud/spanner_v1/gapic_version.py b/google/cloud/spanner_v1/gapic_version.py
index d8ad1d2cc3..2e808494c6 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__ = "3.44.0"  # {x-release-please-version}
+__version__ = "3.45.0"  # {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 6f8f69a452..fd425a364b 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": "3.44.0"
+    "version": "3.45.0"
   },
   "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 ff820272a6..d94b53aae4 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": "3.44.0"
+    "version": "3.45.0"
   },
   "snippets": [
     {
diff --git a/samples/generated_samples/snippet_metadata_google.spanner.v1.json b/samples/generated_samples/snippet_metadata_google.spanner.v1.json
index d78b329e04..f73c3a8647 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": "3.44.0"
+    "version": "3.45.0"
   },
   "snippets": [
     {