diff --git a/FirebaseVertexAI/CHANGELOG.md b/FirebaseVertexAI/CHANGELOG.md
index 7390ef0c57c..c048c49ebc4 100644
--- a/FirebaseVertexAI/CHANGELOG.md
+++ b/FirebaseVertexAI/CHANGELOG.md
@@ -1,3 +1,6 @@
+# Unreleased
+- [added] Added `Decodable` conformance for `FunctionResponse`. (#13606)
+
 # 11.2.0
 - [fixed] Resolved a decoding error for citations without a `uri` and added
   support for decoding `title` fields, which were previously ignored. (#13518)