diff --git a/README.md b/README.md
index d3791e26..08648c0a 100644
--- a/README.md
+++ b/README.md
@@ -95,6 +95,9 @@ docker pull docker.umami.is/umami-software/umami:latest
 ---
 
 ## 🔄 Getting Updates
+> [!WARNING]  
+> If you are updating from Umami V2, image "postgresql-latest" is deprecated. You must change it to "latest".
+> e.g., rename `docker.umami.is/umami-software/umami:postgresql-latest` to `docker.umami.is/umami-software/umami:latest`.
 
 To get the latest features, simply do a pull, install any new dependencies, and rebuild: