diff --git a/CHANGELOG.md b/CHANGELOG.md
index 863d66a..8afca24 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## 1.1.1
+
+### Features
+* Add BigQuery first-party tools. See [here](https://github.com/google/adk-python/commit/d6c6bb4b2489a8b7a4713e4747c30d6df0c07961) for more details.
+
+
 ## 1.1.0
 
 ### Features
diff --git a/src/google/adk/version.py b/src/google/adk/version.py
index 1d8f38b..71b2de6 100644
--- a/src/google/adk/version.py
+++ b/src/google/adk/version.py
@@ -13,4 +13,4 @@
 # limitations under the License.
 
 # version: date+base_cl
-__version__ = "1.1.0"
+__version__ = "1.1.1"