diff --git a/test/login_logout/Dockerfile b/test/login_logout/Dockerfile
index 6601a7187b371e08d7a97b39ad28d1bf5b28c777..5abcafd1184936be7ca248625036cc15a3a5659a 100644
--- a/test/login_logout/Dockerfile
+++ b/test/login_logout/Dockerfile
@@ -13,4 +13,4 @@ ENV AUTHORIZE_URL https://hydra.oas.example.net/oauth2/auth
 ENV KEY testapp
 ENV SECRET verysecret
 
-CMD [ "flask", "run" ]
+CMD [ "flask", "run", "--host", "0.0.0.0" ]