diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index efe9bfb..866e93f 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.4.2"
+  ".": "1.4.3"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index f54c5ea..37483a5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [1.4.3](https://github.com/googleapis/python-optimization/compare/v1.4.2...v1.4.3) (2023-08-16)
+
+
+### Documentation
+
+* Minor formatting ([#146](https://github.com/googleapis/python-optimization/issues/146)) ([7b892c4](https://github.com/googleapis/python-optimization/commit/7b892c4e4814a3229d07e9c5bb4e8377f7d550d7))
+
 ## [1.4.2](https://github.com/googleapis/python-optimization/compare/v1.4.1...v1.4.2) (2023-07-04)
 
 
diff --git a/google/cloud/optimization/gapic_version.py b/google/cloud/optimization/gapic_version.py
index f45c3f6..178df4b 100644
--- a/google/cloud/optimization/gapic_version.py
+++ b/google/cloud/optimization/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "1.4.2"  # {x-release-please-version}
+__version__ = "1.4.3"  # {x-release-please-version}
diff --git a/google/cloud/optimization_v1/gapic_version.py b/google/cloud/optimization_v1/gapic_version.py
index f45c3f6..178df4b 100644
--- a/google/cloud/optimization_v1/gapic_version.py
+++ b/google/cloud/optimization_v1/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "1.4.2"  # {x-release-please-version}
+__version__ = "1.4.3"  # {x-release-please-version}
diff --git a/samples/generated_samples/snippet_metadata_google.cloud.optimization.v1.json b/samples/generated_samples/snippet_metadata_google.cloud.optimization.v1.json
index d38082d..5d40c39 100644
--- a/samples/generated_samples/snippet_metadata_google.cloud.optimization.v1.json
+++ b/samples/generated_samples/snippet_metadata_google.cloud.optimization.v1.json
@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-optimization",
-    "version": "0.1.0"
+    "version": "1.4.3"
   },
   "snippets": [
     {