diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 179a5366..5677a32d 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.15.1"
+  ".": "1.16.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index bcd6a1e7..2bd8583e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,21 @@
 # Changelog
 
+## [1.16.0](https://github.com/googleapis/python-retail/compare/v1.15.1...v1.16.0) (2023-04-11)
+
+
+### Features
+
+* Add model get API ([4167a2c](https://github.com/googleapis/python-retail/commit/4167a2c7c755a8ab55536214845707ec337dc344))
+* Expose A/B experiment info in search response ([4167a2c](https://github.com/googleapis/python-retail/commit/4167a2c7c755a8ab55536214845707ec337dc344))
+* Expose facets and product counts in autocomplete ([4167a2c](https://github.com/googleapis/python-retail/commit/4167a2c7c755a8ab55536214845707ec337dc344))
+* Support new filter syntax for recommendation ([4167a2c](https://github.com/googleapis/python-retail/commit/4167a2c7c755a8ab55536214845707ec337dc344))
+* Support per-entity search and autocomplete ([4167a2c](https://github.com/googleapis/python-retail/commit/4167a2c7c755a8ab55536214845707ec337dc344))
+
+
+### Documentation
+
+* Keep the API doc up-to-date with recent changes ([4167a2c](https://github.com/googleapis/python-retail/commit/4167a2c7c755a8ab55536214845707ec337dc344))
+
 ## [1.15.1](https://github.com/googleapis/python-retail/compare/v1.15.0...v1.15.1) (2023-03-23)
 
 
diff --git a/google/cloud/retail/gapic_version.py b/google/cloud/retail/gapic_version.py
index e6d1e913..da7f5dbf 100644
--- a/google/cloud/retail/gapic_version.py
+++ b/google/cloud/retail/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "1.15.1"  # {x-release-please-version}
+__version__ = "1.16.0"  # {x-release-please-version}
diff --git a/google/cloud/retail_v2/gapic_version.py b/google/cloud/retail_v2/gapic_version.py
index e6d1e913..da7f5dbf 100644
--- a/google/cloud/retail_v2/gapic_version.py
+++ b/google/cloud/retail_v2/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "1.15.1"  # {x-release-please-version}
+__version__ = "1.16.0"  # {x-release-please-version}
diff --git a/google/cloud/retail_v2alpha/gapic_version.py b/google/cloud/retail_v2alpha/gapic_version.py
index e6d1e913..da7f5dbf 100644
--- a/google/cloud/retail_v2alpha/gapic_version.py
+++ b/google/cloud/retail_v2alpha/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "1.15.1"  # {x-release-please-version}
+__version__ = "1.16.0"  # {x-release-please-version}
diff --git a/google/cloud/retail_v2beta/gapic_version.py b/google/cloud/retail_v2beta/gapic_version.py
index e6d1e913..da7f5dbf 100644
--- a/google/cloud/retail_v2beta/gapic_version.py
+++ b/google/cloud/retail_v2beta/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "1.15.1"  # {x-release-please-version}
+__version__ = "1.16.0"  # {x-release-please-version}
diff --git a/samples/generated_samples/snippet_metadata_google.cloud.retail.v2.json b/samples/generated_samples/snippet_metadata_google.cloud.retail.v2.json
index 1a31fd9b..1dbadcfc 100644
--- a/samples/generated_samples/snippet_metadata_google.cloud.retail.v2.json
+++ b/samples/generated_samples/snippet_metadata_google.cloud.retail.v2.json
@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-retail",
-    "version": "0.1.0"
+    "version": "1.16.0"
   },
   "snippets": [
     {
diff --git a/samples/generated_samples/snippet_metadata_google.cloud.retail.v2alpha.json b/samples/generated_samples/snippet_metadata_google.cloud.retail.v2alpha.json
index 55845bb0..5a3171e7 100644
--- a/samples/generated_samples/snippet_metadata_google.cloud.retail.v2alpha.json
+++ b/samples/generated_samples/snippet_metadata_google.cloud.retail.v2alpha.json
@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-retail",
-    "version": "0.1.0"
+    "version": "1.16.0"
   },
   "snippets": [
     {
diff --git a/samples/generated_samples/snippet_metadata_google.cloud.retail.v2beta.json b/samples/generated_samples/snippet_metadata_google.cloud.retail.v2beta.json
index edada0c1..3ded517a 100644
--- a/samples/generated_samples/snippet_metadata_google.cloud.retail.v2beta.json
+++ b/samples/generated_samples/snippet_metadata_google.cloud.retail.v2beta.json
@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-retail",
-    "version": "0.1.0"
+    "version": "1.16.0"
   },
   "snippets": [
     {