diff --git a/apps/varnish-proxy/configmap.yaml b/apps/varnish-proxy/configmap.yaml
index c76a827..84a22f6 100644
--- a/apps/varnish-proxy/configmap.yaml
+++ b/apps/varnish-proxy/configmap.yaml
@@ -5,7 +5,7 @@ metadata:
   namespace: default
 data:
   default.vcl: |
-    vcl 4.1;
+    vcl 4.0;
 
     import std;