diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 76a2556c17..41e3bcbc9a 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-    ".": "3.29.0"
+    ".": "3.30.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5fac18fe0a..5c2d2cebf4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,13 @@
 
 [1]: https://pypi.org/project/google-cloud-spanner/#history
 
+## [3.30.0](https://github.com/googleapis/python-spanner/compare/v3.29.0...v3.30.0) (2023-03-28)
+
+
+### Features
+
+* Pass custom Client object to dbapi ([#911](https://github.com/googleapis/python-spanner/issues/911)) ([52b1a0a](https://github.com/googleapis/python-spanner/commit/52b1a0af0103a5b91aa5bf9ea1138319bdb90d79))
+
 ## [3.29.0](https://github.com/googleapis/python-spanner/compare/v3.28.0...v3.29.0) (2023-03-23)
 
 
diff --git a/google/cloud/spanner_admin_database_v1/gapic_version.py b/google/cloud/spanner_admin_database_v1/gapic_version.py
index 16c2618143..f13e09ad48 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__ = "3.29.0"  # {x-release-please-version}
+__version__ = "3.30.0"  # {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 16c2618143..f13e09ad48 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__ = "3.29.0"  # {x-release-please-version}
+__version__ = "3.30.0"  # {x-release-please-version}
diff --git a/google/cloud/spanner_v1/gapic_version.py b/google/cloud/spanner_v1/gapic_version.py
index 16c2618143..f13e09ad48 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__ = "3.29.0"  # {x-release-please-version}
+__version__ = "3.30.0"  # {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 d27129ac69..9af6b015b1 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": "3.29.0"
+    "version": "3.30.0"
   },
   "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 91f4d1cdfc..fd268b75e7 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": "3.29.0"
+    "version": "3.30.0"
   },
   "snippets": [
     {
diff --git a/samples/generated_samples/snippet_metadata_google.spanner.v1.json b/samples/generated_samples/snippet_metadata_google.spanner.v1.json
index aa8600b373..09648fac70 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": "3.29.0"
+    "version": "3.30.0"
   },
   "snippets": [
     {