diff --git a/CHANGES.rst b/CHANGES.rst
index 9241a3ff..79bb5dc1 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -2,6 +2,8 @@ v3.4.0
 ======
 
 * #10: Project now declares itself as being typed.
+* #272: Additional performance enhancements to distribution
+  discovery.
 
 v3.3.0
 ======