diff --git a/ChangeLog.md b/ChangeLog.md
index 58e6980..690c717 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -2,6 +2,7 @@
 
 - Add `INLINABLE` pragmas to most overloaded combinators
 - Support recent versions of dependencies
+- Fix memory leak in `>>=` https://github.com/haskell/parsec/issues/127
 
 ### 3.1.14.0