diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3db4a7f9..7f3bc3cb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Optimizely Python SDK Changelog
 
+## 5.1.0
+November 27th, 2024
+
+Added support for batch processing in DecideAll and DecideForKeys, enabling more efficient handling of multiple decisions in the User Profile Service.([#440](https://github.com/optimizely/python-sdk/pull/440))
+
 ## 5.0.1
 June 26th, 2024
 
diff --git a/optimizely/version.py b/optimizely/version.py
index da021f94..941e5e68 100644
--- a/optimizely/version.py
+++ b/optimizely/version.py
@@ -11,5 +11,5 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-version_info = (5, 0, 1)
+version_info = (5, 1, 0)
 __version__ = '.'.join(str(v) for v in version_info)