diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 02bd31d3..8428ab92 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "2.21.0"
+  ".": "2.22.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index e5c83085..1740a0db 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,16 @@
 
 [1]: https://pypi.org/project/dialogflow/#history
 
+## [2.22.0](https://github.com/googleapis/python-dialogflow/compare/v2.21.0...v2.22.0) (2023-05-25)
+
+
+### Features
+
+* Add baseline model configuration for conversation summarization ([#636](https://github.com/googleapis/python-dialogflow/issues/636)) ([c0a030e](https://github.com/googleapis/python-dialogflow/commit/c0a030ee32e07b3d3e3bdfe738b4754eda4dbc64))
+* Added debug info for StreamingDetectIntent ([06fea2a](https://github.com/googleapis/python-dialogflow/commit/06fea2a9b5b8f7c4c5ec7dd9881b7f55de9ea149))
+* Added GenerateStatelessSummary method ([06fea2a](https://github.com/googleapis/python-dialogflow/commit/06fea2a9b5b8f7c4c5ec7dd9881b7f55de9ea149))
+* Extended StreamingListCallCompanionEvents timeout to 600 seconds ([06fea2a](https://github.com/googleapis/python-dialogflow/commit/06fea2a9b5b8f7c4c5ec7dd9881b7f55de9ea149))
+
 ## [2.21.0](https://github.com/googleapis/python-dialogflow/compare/v2.20.0...v2.21.0) (2023-03-23)
 
 
diff --git a/google/cloud/dialogflow/gapic_version.py b/google/cloud/dialogflow/gapic_version.py
index e546bae0..03d6d020 100644
--- a/google/cloud/dialogflow/gapic_version.py
+++ b/google/cloud/dialogflow/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "2.21.0"  # {x-release-please-version}
+__version__ = "2.22.0"  # {x-release-please-version}
diff --git a/google/cloud/dialogflow_v2/gapic_version.py b/google/cloud/dialogflow_v2/gapic_version.py
index e546bae0..03d6d020 100644
--- a/google/cloud/dialogflow_v2/gapic_version.py
+++ b/google/cloud/dialogflow_v2/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "2.21.0"  # {x-release-please-version}
+__version__ = "2.22.0"  # {x-release-please-version}
diff --git a/google/cloud/dialogflow_v2beta1/gapic_version.py b/google/cloud/dialogflow_v2beta1/gapic_version.py
index e546bae0..03d6d020 100644
--- a/google/cloud/dialogflow_v2beta1/gapic_version.py
+++ b/google/cloud/dialogflow_v2beta1/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "2.21.0"  # {x-release-please-version}
+__version__ = "2.22.0"  # {x-release-please-version}
diff --git a/samples/generated_samples/snippet_metadata_google.cloud.dialogflow.v2.json b/samples/generated_samples/snippet_metadata_google.cloud.dialogflow.v2.json
index 4f8fa514..0b80ee5b 100644
--- a/samples/generated_samples/snippet_metadata_google.cloud.dialogflow.v2.json
+++ b/samples/generated_samples/snippet_metadata_google.cloud.dialogflow.v2.json
@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-dialogflow",
-    "version": "0.1.0"
+    "version": "2.22.0"
   },
   "snippets": [
     {
diff --git a/samples/generated_samples/snippet_metadata_google.cloud.dialogflow.v2beta1.json b/samples/generated_samples/snippet_metadata_google.cloud.dialogflow.v2beta1.json
index cae850c3..5bb5fc08 100644
--- a/samples/generated_samples/snippet_metadata_google.cloud.dialogflow.v2beta1.json
+++ b/samples/generated_samples/snippet_metadata_google.cloud.dialogflow.v2beta1.json
@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-dialogflow",
-    "version": "0.1.0"
+    "version": "2.22.0"
   },
   "snippets": [
     {