diff --git a/stacks/authentik/docker-compose.yml b/stacks/authentik/docker-compose.yml
index 750c8f0..038e082 100644
--- a/stacks/authentik/docker-compose.yml
+++ b/stacks/authentik/docker-compose.yml
@@ -55,7 +55,7 @@ services:
       - redis
 
   postgresql:
-    image: postgres:15-alpine
+    image: postgres:12-alpine
     container_name: authentik-postgres
     restart: unless-stopped
     environment: