diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 0a548a2..adbc4e7 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -6,4 +6,5 @@ before_script:
 unit_test:
   script:
   - rake clean
+  - rake build
   - rake test:run