diff --git a/sdk/cosmos/azure-cosmos/CHANGELOG.md b/sdk/cosmos/azure-cosmos/CHANGELOG.md
index bb21468181ca..e4bd0ea1f2f2 100644
--- a/sdk/cosmos/azure-cosmos/CHANGELOG.md
+++ b/sdk/cosmos/azure-cosmos/CHANGELOG.md
@@ -1,4 +1,4 @@
-## 4.1.1 (unreleased)
+## 4.2.0 (2020-10-08)
 
 **Bug fixes**
 - Fixed bug where continuation token is not honored when query_iterable is used to get results by page. Issue #13265.
diff --git a/sdk/cosmos/azure-cosmos/azure/cosmos/_version.py b/sdk/cosmos/azure-cosmos/azure/cosmos/_version.py
index eec512b62ed7..e42f82d0b8ff 100644
--- a/sdk/cosmos/azure-cosmos/azure/cosmos/_version.py
+++ b/sdk/cosmos/azure-cosmos/azure/cosmos/_version.py
@@ -19,4 +19,4 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-VERSION = "4.1.0"
+VERSION = "4.2.0"