diff --git a/docker-compose.yml b/docker-compose.yml
index 2262f32..ed3d802 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -9,6 +9,7 @@ services:
       - ./auth.lua:/usr/local/openresty/nginx/conf/auth.lua:ro
     environment:
       - KEYCLOAK_CLIENT_SECRET=${KEYCLOAK_CLIENT_SECRET}
+      - KEYCLOAK_LOGOUT_URL=${KEYCLOAK_LOGOUT_URL}
     env_file:
       - .env
     networks: