diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 2d58484..ad206f1 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -12,6 +12,7 @@ test:
   tags:
     - docker
   before_script:
-    - apt install build-essential
+    - apt update
+    - apt install -y build-essential
   script:
     - make runTest