diff --git a/packages/google-cloud-service-directory/.release-please-manifest.json b/packages/google-cloud-service-directory/.release-please-manifest.json
index 1adaf630d278..0d1bebe1cfe4 100644
--- a/packages/google-cloud-service-directory/.release-please-manifest.json
+++ b/packages/google-cloud-service-directory/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.5.3"
+  ".": "1.6.0"
 }
diff --git a/packages/google-cloud-service-directory/CHANGELOG.md b/packages/google-cloud-service-directory/CHANGELOG.md
index fc271c0cc065..c18f35713316 100644
--- a/packages/google-cloud-service-directory/CHANGELOG.md
+++ b/packages/google-cloud-service-directory/CHANGELOG.md
@@ -1,5 +1,27 @@
 # Changelog
 
+## [1.6.0](https://github.com/googleapis/python-service-directory/compare/v1.5.3...v1.6.0) (2022-12-14)
+
+
+### Features
+
+* Add support for `google.cloud.servicedirectory.__version__` ([8e84d42](https://github.com/googleapis/python-service-directory/commit/8e84d42c42fb37d7b11eb17ee70619124f6cd338))
+* Add typing to proto.Message based class attributes ([8e84d42](https://github.com/googleapis/python-service-directory/commit/8e84d42c42fb37d7b11eb17ee70619124f6cd338))
+
+
+### Bug Fixes
+
+* Add dict typing for client_options ([8e84d42](https://github.com/googleapis/python-service-directory/commit/8e84d42c42fb37d7b11eb17ee70619124f6cd338))
+* **deps:** Require google-api-core >=1.34.0, >=2.11.0  ([9fae8c9](https://github.com/googleapis/python-service-directory/commit/9fae8c9648e09da82a80af7fe1a84fad6f8402ab))
+* Drop usage of pkg_resources ([9fae8c9](https://github.com/googleapis/python-service-directory/commit/9fae8c9648e09da82a80af7fe1a84fad6f8402ab))
+* Fix timeout default values ([9fae8c9](https://github.com/googleapis/python-service-directory/commit/9fae8c9648e09da82a80af7fe1a84fad6f8402ab))
+
+
+### Documentation
+
+* **samples:** Snippetgen handling of repeated enum field ([8e84d42](https://github.com/googleapis/python-service-directory/commit/8e84d42c42fb37d7b11eb17ee70619124f6cd338))
+* **samples:** Snippetgen should call await on the operation coroutine before calling result ([9fae8c9](https://github.com/googleapis/python-service-directory/commit/9fae8c9648e09da82a80af7fe1a84fad6f8402ab))
+
 ## [1.5.3](https://github.com/googleapis/python-service-directory/compare/v1.5.2...v1.5.3) (2022-10-07)
 
 
diff --git a/packages/google-cloud-service-directory/google/cloud/servicedirectory/gapic_version.py b/packages/google-cloud-service-directory/google/cloud/servicedirectory/gapic_version.py
index 943734048cd8..a016bdfe9144 100644
--- a/packages/google-cloud-service-directory/google/cloud/servicedirectory/gapic_version.py
+++ b/packages/google-cloud-service-directory/google/cloud/servicedirectory/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "1.5.3"  # {x-release-please-version}
+__version__ = "1.6.0"  # {x-release-please-version}
diff --git a/packages/google-cloud-service-directory/google/cloud/servicedirectory_v1/gapic_version.py b/packages/google-cloud-service-directory/google/cloud/servicedirectory_v1/gapic_version.py
index 943734048cd8..a016bdfe9144 100644
--- a/packages/google-cloud-service-directory/google/cloud/servicedirectory_v1/gapic_version.py
+++ b/packages/google-cloud-service-directory/google/cloud/servicedirectory_v1/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "1.5.3"  # {x-release-please-version}
+__version__ = "1.6.0"  # {x-release-please-version}
diff --git a/packages/google-cloud-service-directory/google/cloud/servicedirectory_v1beta1/gapic_version.py b/packages/google-cloud-service-directory/google/cloud/servicedirectory_v1beta1/gapic_version.py
index 943734048cd8..a016bdfe9144 100644
--- a/packages/google-cloud-service-directory/google/cloud/servicedirectory_v1beta1/gapic_version.py
+++ b/packages/google-cloud-service-directory/google/cloud/servicedirectory_v1beta1/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "1.5.3"  # {x-release-please-version}
+__version__ = "1.6.0"  # {x-release-please-version}
diff --git a/packages/google-cloud-service-directory/samples/generated_samples/snippet_metadata_google.cloud.servicedirectory.v1.json b/packages/google-cloud-service-directory/samples/generated_samples/snippet_metadata_google.cloud.servicedirectory.v1.json
index a0b20f7bef18..b05318d2da34 100644
--- a/packages/google-cloud-service-directory/samples/generated_samples/snippet_metadata_google.cloud.servicedirectory.v1.json
+++ b/packages/google-cloud-service-directory/samples/generated_samples/snippet_metadata_google.cloud.servicedirectory.v1.json
@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-service-directory",
-    "version": "0.1.0"
+    "version": "1.6.0"
   },
   "snippets": [
     {
diff --git a/packages/google-cloud-service-directory/samples/generated_samples/snippet_metadata_google.cloud.servicedirectory.v1beta1.json b/packages/google-cloud-service-directory/samples/generated_samples/snippet_metadata_google.cloud.servicedirectory.v1beta1.json
index 8cb020ecf895..af406fa35de4 100644
--- a/packages/google-cloud-service-directory/samples/generated_samples/snippet_metadata_google.cloud.servicedirectory.v1beta1.json
+++ b/packages/google-cloud-service-directory/samples/generated_samples/snippet_metadata_google.cloud.servicedirectory.v1beta1.json
@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-service-directory",
-    "version": "0.1.0"
+    "version": "1.6.0"
   },
   "snippets": [
     {