diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 277dcac..4db3a39 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -7,5 +7,6 @@ default:
 style:
   stage: style
   script:
-      - sudo apt-get install -y ruby-mdl
-      - if [[ $(mdl .) ]]; false fi
+      - apt-get update
+      - apt-get install -y ruby-mdl
+      - if [[ $(mdl .) ]]; then true; else false; fi