diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 62dbee3..2de8094 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -9,7 +9,7 @@ test:
     stage: test
     script:
         # Make sure the commits follow our rules.
-        - yarn install --frozen-lockfile
+        - npx yarn install --frozen-lockfile
         - if [ $CI_BUILD_BEFORE_SHA == "0000000000000000000000000000000000000000" ]; then npx commitlint --to=HEAD; else npx commitlint --from=$CI_BUILD_BEFORE_SHA; fi
 
         # Build and test the project.