diff --git a/CHANGELOG.md b/CHANGELOG.md
index 58d8bd8..7aef56e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@ Version 21.0.0
 ---
 * Added new annotation: `@UnknownNullability`.
 * Proper JPMS module.
+* `JdkConstants` deprecated.
 
 Version 20.1.0
 ---