diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index bc008d9..0501bd6 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -6,7 +6,7 @@ stages:
 default:
     before_script:
         - curl -sL https://deb.nodesource.com/setup_15.x | bash -
-        - apt-get install nodejs yarn
+        - apt-get install -y nodejs
 
 # The test stage runs on every build and every branch.
 test: