diff --git a/charts/authentik/values.yaml b/charts/authentik/values.yaml
index e2c7660..79fda60 100644
--- a/charts/authentik/values.yaml
+++ b/charts/authentik/values.yaml
@@ -1092,7 +1092,7 @@ postgresql:
   image:
     registry: docker.io
     repository: library/postgres
-    tag: "17.10-bookworm"
+    tag: "18.4-bookworm"
   auth:
     username: authentik
     database: authentik