diff --git a/integrations/google_vertex/CHANGELOG.md b/integrations/google_vertex/CHANGELOG.md
index 71f433509..7cf633ebd 100644
--- a/integrations/google_vertex/CHANGELOG.md
+++ b/integrations/google_vertex/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [integrations/google_vertex-v4.0.1] - 2024-12-19
+
+### 🐛 Bug Fixes
+
+- Make Google Vertex Chat Generator compatible with new ChatMessage (#1255)
+
+
 ## [integrations/google_vertex-v4.0.0] - 2024-12-11
 
 ### 🐛 Bug Fixes