diff --git a/docker-compose.example.yml b/docker-compose.example.yml
index 868b19e..1b14354 100644
--- a/docker-compose.example.yml
+++ b/docker-compose.example.yml
@@ -1,8 +1,6 @@
 ---
-version: "3"
-
 services:
   refund-form:
     build: .
     ports:
-      - 8033:80
\ No newline at end of file
+      - 8033:80
diff --git a/docker-compose.yml b/docker-compose.yml
index 1898806..10231ed 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,5 +1,7 @@
 ---
-version: "3"
+networks:
+  proxy:
+    external: true
 
 services:
   refund-form:
@@ -14,7 +16,3 @@ services:
       - "traefik.http.routers.refund-secure.tls.certresolver=letsencrypt"
     networks:
       - proxy
-
-networks:
-  proxy:
-    external: true