diff --git a/CHANGELOG.md b/CHANGELOG.md
index 78c69f10..bc4fecfd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,20 @@
 # Changelog
 
+## [0.5.0](https://github.com/googleapis/langchain-google-alloydb-pg-python/compare/v0.4.1...v0.5.0) (2024-07-16)
+
+
+### Features
+
+* Add similarity search score threshold select function ([#181](https://github.com/googleapis/langchain-google-alloydb-pg-python/issues/181)) ([ab0a574](https://github.com/googleapis/langchain-google-alloydb-pg-python/commit/ab0a5746b21971c6ef8bc24f45d620d1a5925176))
+* Add table name to default index name ([#182](https://github.com/googleapis/langchain-google-alloydb-pg-python/issues/182)) ([5e746ce](https://github.com/googleapis/langchain-google-alloydb-pg-python/commit/5e746ce037a0040479eab75f1aa7147b949d487a))
+* Remove `alloydb_` prefix from module names ([#173](https://github.com/googleapis/langchain-google-alloydb-pg-python/issues/173)) ([9c80bf3](https://github.com/googleapis/langchain-google-alloydb-pg-python/commit/9c80bf3c655ae7b32bb384c4ed850c9aa931ebca))
+
+
+### Bug Fixes
+
+* Add `key` to engine constructor ([#179](https://github.com/googleapis/langchain-google-alloydb-pg-python/issues/179)) ([497fec4](https://github.com/googleapis/langchain-google-alloydb-pg-python/commit/497fec489ab32a6dda1b19e3e686c7b872461847))
+* Remove `langchain-community` dependency ([#178](https://github.com/googleapis/langchain-google-alloydb-pg-python/issues/178)) ([96fd44d](https://github.com/googleapis/langchain-google-alloydb-pg-python/commit/96fd44dde257d3dd96e841e2e433691ad4ff903e))
+
 ## [0.4.1](https://github.com/googleapis/langchain-google-alloydb-pg-python/compare/v0.4.0...v0.4.1) (2024-06-27)
 
 
diff --git a/src/langchain_google_alloydb_pg/version.py b/src/langchain_google_alloydb_pg/version.py
index ed7a893a..4e1c4749 100644
--- a/src/langchain_google_alloydb_pg/version.py
+++ b/src/langchain_google_alloydb_pg/version.py
@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = "0.4.1"
+__version__ = "0.5.0"