diff --git a/.woodpecker/workflow.yaml b/.woodpecker/workflow.yaml
index b4f6d27..57e7751 100644
--- a/.woodpecker/workflow.yaml
+++ b/.woodpecker/workflow.yaml
@@ -10,4 +10,4 @@ steps:
       - buildah build keycloak/
     environment:
       BUILDAH_ISOLATION: chroot
-      STORAGE_DRIVER: vfs
+      STORAGE_DRIVER: overlay