diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 8454150..7731f20 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "2.15.1"
+  ".": "2.16.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6585131..ce0b10c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [2.16.0](https://github.com/googleapis/python-secret-manager/compare/v2.15.1...v2.16.0) (2023-02-28)
+
+
+### Features
+
+* Enable "rest" transport in Python for services supporting numeric enums ([10c02e5](https://github.com/googleapis/python-secret-manager/commit/10c02e52e99182886f2e96b2834aefb41436b28b))
+
 ## [2.15.1](https://github.com/googleapis/python-secret-manager/compare/v2.15.0...v2.15.1) (2023-01-20)
 
 
diff --git a/google/cloud/secretmanager/gapic_version.py b/google/cloud/secretmanager/gapic_version.py
index 505a42f..a230353 100644
--- a/google/cloud/secretmanager/gapic_version.py
+++ b/google/cloud/secretmanager/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "2.15.1"  # {x-release-please-version}
+__version__ = "2.16.0"  # {x-release-please-version}
diff --git a/google/cloud/secretmanager_v1/gapic_version.py b/google/cloud/secretmanager_v1/gapic_version.py
index 505a42f..a230353 100644
--- a/google/cloud/secretmanager_v1/gapic_version.py
+++ b/google/cloud/secretmanager_v1/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "2.15.1"  # {x-release-please-version}
+__version__ = "2.16.0"  # {x-release-please-version}
diff --git a/google/cloud/secretmanager_v1beta1/gapic_version.py b/google/cloud/secretmanager_v1beta1/gapic_version.py
index 505a42f..a230353 100644
--- a/google/cloud/secretmanager_v1beta1/gapic_version.py
+++ b/google/cloud/secretmanager_v1beta1/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "2.15.1"  # {x-release-please-version}
+__version__ = "2.16.0"  # {x-release-please-version}
diff --git a/samples/generated_samples/snippet_metadata_google.cloud.secretmanager.v1.json b/samples/generated_samples/snippet_metadata_google.cloud.secretmanager.v1.json
index fb38dd2..b07bb8d 100644
--- a/samples/generated_samples/snippet_metadata_google.cloud.secretmanager.v1.json
+++ b/samples/generated_samples/snippet_metadata_google.cloud.secretmanager.v1.json
@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-secret-manager",
-    "version": "0.1.0"
+    "version": "2.16.0"
   },
   "snippets": [
     {