diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index ad02347..dba8cba 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -5,6 +5,6 @@ unit-test-job:
   stage: test
   script:
     - apt-get update
-    - apt-get upgrade
-    - apt-get install unzip
+    - apt-get -y upgrade
+    - apt-get install -y unzip
     - julia --project=julia/Project.toml -E 'using Pkg; Pkg.test()'