diff --git a/Changelog.md b/Changelog.md
index 051150e5..139438d8 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,3 +1,7 @@
+## unreleased
+
+* Fix request marshaling (https://github.com/jnunemaker/httparty/pull/767)
+
 ## 0.20.0
 
 Breaking changes