diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 27ed4bf..4cae866 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -7,7 +7,7 @@ deploy:
     - jekyll
   script:
     - apt-get update
-    - apt-get install ruby-full build-essential zlib1g-dev rsync
+    - apt-get install -y ruby-full build-essential zlib1g-dev rsync
     - gem install bundler jekyll
     - jekyll build -d public
     - rsync -av --exclude '.well-known' --delete public/ /srv/gmur.ml/