diff --git a/projects/ai/values/dify.yml b/projects/ai/values/dify.yml
index 9f170b23..bbe57d8e 100644
--- a/projects/ai/values/dify.yml
+++ b/projects/ai/values/dify.yml
@@ -185,7 +185,7 @@ postgresql:
   image:
     registry: docker.io
     repository: bitnami/postgresql
-    tag: 15.3.0-debian-11-r7
+    tag: 15.5.0-debian-11-r7
     pullPolicy: IfNotPresent
   ## @param architecture PostgreSQL architecture (`standalone` or `replication`)
   ##