diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 464fad809f50f26a7ace416d1702e4137e366b1b..bef37516e2f0e1228faba71498ba6b6af9768d87 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -11,7 +11,7 @@ Build:
   script:
     - echo "Build Dir is ${CI_PROJECT_DIR}"
     - docker-compose up -d
-    - wait 20
+    - sleep 20
     - docker-compose exec --workdir=/mkdocs mkdocs mkdocs build
     - docker-compose down
   artifacts: