diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index d83aa2448..2f416052a 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,4 +1,4 @@
 {
-    ".": "2.15.2"
+    ".": "2.16.0"
 }
   
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6ca26dc37..f4f1f925e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,18 @@
 [1]: https://pypi.org/project/google-cloud-pubsub/#history
 
 
+## [2.16.0](https://github.com/googleapis/python-pubsub/compare/v2.15.2...v2.16.0) (2023-04-06)
+
+
+### Features
+
+* Enable "rest" transport in Python for services supporting numeric enums ([#863](https://github.com/googleapis/python-pubsub/issues/863)) ([a80c1d1](https://github.com/googleapis/python-pubsub/commit/a80c1d1f6f880cd13c247231bdc86c824edab8cb))
+
+
+### Documentation
+
+* Fix formatting of request arg in docstring ([#894](https://github.com/googleapis/python-pubsub/issues/894)) ([ee2ea73](https://github.com/googleapis/python-pubsub/commit/ee2ea7341268fd5428d98208b8af2fc96efe8d03))
+
 ## [2.15.2](https://github.com/googleapis/python-pubsub/compare/v2.15.1...v2.15.2) (2023-03-20)
 
 
diff --git a/google/pubsub/gapic_version.py b/google/pubsub/gapic_version.py
index db31fdc2a..a2303530d 100644
--- a/google/pubsub/gapic_version.py
+++ b/google/pubsub/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "2.15.2"  # {x-release-please-version}
+__version__ = "2.16.0"  # {x-release-please-version}
diff --git a/google/pubsub_v1/gapic_version.py b/google/pubsub_v1/gapic_version.py
index db31fdc2a..a2303530d 100644
--- a/google/pubsub_v1/gapic_version.py
+++ b/google/pubsub_v1/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "2.15.2"  # {x-release-please-version}
+__version__ = "2.16.0"  # {x-release-please-version}
diff --git a/samples/generated_samples/snippet_metadata_google.pubsub.v1.json b/samples/generated_samples/snippet_metadata_google.pubsub.v1.json
index d66015ac4..b80eb543a 100644
--- a/samples/generated_samples/snippet_metadata_google.pubsub.v1.json
+++ b/samples/generated_samples/snippet_metadata_google.pubsub.v1.json
@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-pubsub",
-    "version": "0.1.0"
+    "version": "2.16.0"
   },
   "snippets": [
     {