diff --git a/test/test_ssl/test_redirect.yml b/test/test_ssl/test_redirect.yml
index 62694bd..a5ae919 100644
--- a/test/test_ssl/test_redirect.yml
+++ b/test/test_ssl/test_redirect.yml
@@ -1,14 +1,15 @@
-web1:
-  image: web
-  expose:
-    - "81"
-  environment:
-    WEB_PORTS: "81"
-    VIRTUAL_HOST: "web1.nginx-proxy.tld"
+services:
+  web1:
+    image: web
+    expose:
+      - "81"
+    environment:
+      WEB_PORTS: "81"
+      VIRTUAL_HOST: "web1.nginx-proxy.tld"
 
-sut:
-  image: nginxproxy/nginx-proxy:test
-  volumes:
-    - /var/run/docker.sock:/tmp/docker.sock:ro
-    - ../lib/ssl/dhparam.pem:/etc/nginx/dhparam/dhparam.pem:ro
-    - ./certs:/etc/nginx/certs:ro
+  sut:
+    image: nginxproxy/nginx-proxy:test
+    volumes:
+      - /var/run/docker.sock:/tmp/docker.sock:ro
+      - ../lib/ssl/dhparam.pem:/etc/nginx/dhparam/dhparam.pem:ro
+      - ./certs:/etc/nginx/certs:ro