diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index cc48236467..b1de15d9a3 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-    ".": "3.48.0"
+    ".": "3.49.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 89494da26a..05af3ad3d0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,20 @@
 
 [1]: https://pypi.org/project/google-cloud-spanner/#history
 
+## [3.49.0](https://github.com/googleapis/python-spanner/compare/v3.48.0...v3.49.0) (2024-08-27)
+
+
+### Features
+
+* Create a few code snippets as examples for using Spanner Graph in Python ([#1186](https://github.com/googleapis/python-spanner/issues/1186)) ([f886ebd](https://github.com/googleapis/python-spanner/commit/f886ebd80a6422c2167cd440a2a646f52701b684))
+* **spanner:** Add resource reference annotation to backup schedules ([#1176](https://github.com/googleapis/python-spanner/issues/1176)) ([b503fc9](https://github.com/googleapis/python-spanner/commit/b503fc95d8abd47869a24f0e824a227a281282d6))
+* **spanner:** Add samples for instance partitions ([#1168](https://github.com/googleapis/python-spanner/issues/1168)) ([55f83dc](https://github.com/googleapis/python-spanner/commit/55f83dc5f776d436b30da6056a9cdcad3971ce39))
+
+
+### Bug Fixes
+
+* JsonObject init when called on JsonObject of list ([#1166](https://github.com/googleapis/python-spanner/issues/1166)) ([c4af6f0](https://github.com/googleapis/python-spanner/commit/c4af6f09a449f293768f70a84e805ffe08c6c2fb))
+
 ## [3.48.0](https://github.com/googleapis/python-spanner/compare/v3.47.0...v3.48.0) (2024-07-30)
 
 
diff --git a/google/cloud/spanner_admin_database_v1/gapic_version.py b/google/cloud/spanner_admin_database_v1/gapic_version.py
index ebd305d0c8..66fbf6e926 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__ = "3.48.0"  # {x-release-please-version}
+__version__ = "3.49.0"  # {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 ebd305d0c8..66fbf6e926 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__ = "3.48.0"  # {x-release-please-version}
+__version__ = "3.49.0"  # {x-release-please-version}
diff --git a/google/cloud/spanner_v1/gapic_version.py b/google/cloud/spanner_v1/gapic_version.py
index ebd305d0c8..66fbf6e926 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__ = "3.48.0"  # {x-release-please-version}
+__version__ = "3.49.0"  # {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 86a6b4fa78..94d4ebb351 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": "0.1.0"
+    "version": "3.49.0"
   },
   "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 ac2f8c24ec..2805d839f7 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": "0.1.0"
+    "version": "3.49.0"
   },
   "snippets": [
     {
diff --git a/samples/generated_samples/snippet_metadata_google.spanner.v1.json b/samples/generated_samples/snippet_metadata_google.spanner.v1.json
index 4384d19e2a..f3058f4e63 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": "0.1.0"
+    "version": "3.49.0"
   },
   "snippets": [
     {