diff --git a/firebase-functions/CHANGELOG.md b/firebase-functions/CHANGELOG.md
index e9fe66c897d..26bb8de7306 100644
--- a/firebase-functions/CHANGELOG.md
+++ b/firebase-functions/CHANGELOG.md
@@ -1,8 +1,15 @@
 # Unreleased
+
+# 21.1.1
 * [fixed] Resolve Kotlin migration visibility issues
   ([#6522](//github.com/firebase/firebase-android-sdk/pull/6522))
 
 
+## Kotlin
+The Kotlin extensions library transitively includes the updated
+`firebase-functions` library. The Kotlin extensions library has no additional
+updates.
+
 # 21.1.0
 * [changed] Migrated to Kotlin