diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 4d12aa6c..9bf38528 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "5.4.3"
+  ".": "5.5.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index b860a5ac..3fbf68c2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,13 @@
 
 [1]: https://pypi.org/project/google-cloud-dataproc/#history
 
+## [5.5.0](https://github.com/googleapis/python-dataproc/compare/v5.4.3...v5.5.0) (2023-08-23)
+
+
+### Features
+
+* Support min_num_instances for primary worker and InstanceFlexibilityPolicy for secondary worker ([#555](https://github.com/googleapis/python-dataproc/issues/555)) ([8ab7c71](https://github.com/googleapis/python-dataproc/commit/8ab7c717c914ab806e02c2ae5c0988f755cf74a4))
+
 ## [5.4.3](https://github.com/googleapis/python-dataproc/compare/v5.4.2...v5.4.3) (2023-08-02)
 
 
diff --git a/google/cloud/dataproc/gapic_version.py b/google/cloud/dataproc/gapic_version.py
index 382ef5ca..c48684a1 100644
--- a/google/cloud/dataproc/gapic_version.py
+++ b/google/cloud/dataproc/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "5.4.3"  # {x-release-please-version}
+__version__ = "5.5.0"  # {x-release-please-version}
diff --git a/google/cloud/dataproc_v1/gapic_version.py b/google/cloud/dataproc_v1/gapic_version.py
index 382ef5ca..c48684a1 100644
--- a/google/cloud/dataproc_v1/gapic_version.py
+++ b/google/cloud/dataproc_v1/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "5.4.3"  # {x-release-please-version}
+__version__ = "5.5.0"  # {x-release-please-version}
diff --git a/samples/generated_samples/snippet_metadata_google.cloud.dataproc.v1.json b/samples/generated_samples/snippet_metadata_google.cloud.dataproc.v1.json
index f1a48076..5269dcf4 100644
--- a/samples/generated_samples/snippet_metadata_google.cloud.dataproc.v1.json
+++ b/samples/generated_samples/snippet_metadata_google.cloud.dataproc.v1.json
@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-dataproc",
-    "version": "0.1.0"
+    "version": "5.5.0"
   },
   "snippets": [
     {