diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index bcb33ff..676fd6f 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -5,9 +5,7 @@ test-debian9:
   image: debian:9
   stage: test
   before_script:
-    - apt-get upgrade
-    - apt-get update -y
-    - apt-get install luarocks
+    - apt-get update -qq && apt-get install -y -qq luarocks
   script:
     - luarocks install luacheck
     - luacheck .