diff --git a/docs_rst/changelog.rst b/docs_rst/changelog.rst
index fe2fdfc3..562024fb 100644
--- a/docs_rst/changelog.rst
+++ b/docs_rst/changelog.rst
@@ -1,6 +1,10 @@
 Change log
 ==========
 
+v2021.8.17
+----------
+* Support serialization for Pandas DataFrames (@mkhorton).
+
 v2021.7.8
 ---------
 * Support the specification of `fmt` keyword arg in monty.serialization