diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index e9bc06dc..384e3052 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,6 +1,11 @@
 Changelog
 =========
 
+Version 3.1.1
+-------------
+
+- #836: Remove $v entry in update. Improves support for MongoDB 3.6.
+
 Version 3.1.0
 -------------