diff --git a/CHANGELOG.md b/CHANGELOG.md
index ea3d649b..22243f7a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Optimizely Python SDK Changelog
 
+## 3.5.1
+July 10th, 2020
+
+### Bug Fixes:
+* Fixed HTTP request exception handling in `PollingConfigManager`. ([#285](https://github.com/optimizely/python-sdk/pull/285))
+
 ## 3.5.0
 July 9th, 2020
 
diff --git a/optimizely/version.py b/optimizely/version.py
index 3c88c77d..13c09561 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 = (3, 5, 0)
+version_info = (3, 5, 1)
 __version__ = '.'.join(str(v) for v in version_info)