diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 7840fde..4fcfdf7 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.8.1"
+  ".": "1.9.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index a736921..0f55a44 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [1.9.0](https://github.com/googleapis/python-service-control/compare/v1.8.1...v1.9.0) (2023-05-25)
+
+
+### Features
+
+* Add a proto message used for batch mode resource info ([#200](https://github.com/googleapis/python-service-control/issues/200)) ([caa55bc](https://github.com/googleapis/python-service-control/commit/caa55bc8bb6f06ec2c1e8f243070d2882c040757))
+
 ## [1.8.1](https://github.com/googleapis/python-service-control/compare/v1.8.0...v1.8.1) (2023-03-23)
 
 
diff --git a/google/cloud/servicecontrol/gapic_version.py b/google/cloud/servicecontrol/gapic_version.py
index 90e0293..163d151 100644
--- a/google/cloud/servicecontrol/gapic_version.py
+++ b/google/cloud/servicecontrol/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "1.8.1"  # {x-release-please-version}
+__version__ = "1.9.0"  # {x-release-please-version}
diff --git a/google/cloud/servicecontrol_v1/gapic_version.py b/google/cloud/servicecontrol_v1/gapic_version.py
index 90e0293..163d151 100644
--- a/google/cloud/servicecontrol_v1/gapic_version.py
+++ b/google/cloud/servicecontrol_v1/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "1.8.1"  # {x-release-please-version}
+__version__ = "1.9.0"  # {x-release-please-version}
diff --git a/google/cloud/servicecontrol_v2/gapic_version.py b/google/cloud/servicecontrol_v2/gapic_version.py
index 90e0293..163d151 100644
--- a/google/cloud/servicecontrol_v2/gapic_version.py
+++ b/google/cloud/servicecontrol_v2/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "1.8.1"  # {x-release-please-version}
+__version__ = "1.9.0"  # {x-release-please-version}
diff --git a/samples/generated_samples/snippet_metadata_google.api.servicecontrol.v1.json b/samples/generated_samples/snippet_metadata_google.api.servicecontrol.v1.json
index ae2dfb3..8eedb04 100644
--- a/samples/generated_samples/snippet_metadata_google.api.servicecontrol.v1.json
+++ b/samples/generated_samples/snippet_metadata_google.api.servicecontrol.v1.json
@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-service-control",
-    "version": "0.1.0"
+    "version": "1.9.0"
   },
   "snippets": [
     {
diff --git a/samples/generated_samples/snippet_metadata_google.api.servicecontrol.v2.json b/samples/generated_samples/snippet_metadata_google.api.servicecontrol.v2.json
index 2b78179..4f7715c 100644
--- a/samples/generated_samples/snippet_metadata_google.api.servicecontrol.v2.json
+++ b/samples/generated_samples/snippet_metadata_google.api.servicecontrol.v2.json
@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-service-control",
-    "version": "0.1.0"
+    "version": "1.9.0"
   },
   "snippets": [
     {