diff --git a/CHANGELOG_PENDING.md b/CHANGELOG_PENDING.md
index 9c518842b..265833deb 100644
--- a/CHANGELOG_PENDING.md
+++ b/CHANGELOG_PENDING.md
@@ -27,3 +27,5 @@ Special thanks to external contributors on this release:
 ### IMPROVEMENTS
 
 ### BUG FIXES
+
+- [mempool] \#8944 Fix unbounded heap growth in the priority mempool. (@creachadair)