diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 765eff8bd1b0c08653ff408485fd510da0a88e0f..1a6d95ee7df43e46564a88645f4b16b1f14686dd 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -4,6 +4,7 @@ stages:
 before_script:
   - npm install
   - npm install --global gulp-cli
+  - npm install --global mocha
 
 run_tests:
   stage: test