diff --git a/kubernetes/apps/security/authentik/app/postgres.yaml b/kubernetes/apps/security/authentik/app/postgres.yaml
index f96b79f8..5f986908 100644
--- a/kubernetes/apps/security/authentik/app/postgres.yaml
+++ b/kubernetes/apps/security/authentik/app/postgres.yaml
@@ -17,7 +17,7 @@ spec:
     spec:
       containers:
         - name: postgresql
-          image: postgres:16-alpine
+          image: postgres:18-alpine
           env:
             - name: POSTGRES_DB
               value: authentik