diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index c3087c9..c7a2546 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -22,7 +22,9 @@ build-json-api:
   stage: build
 
   only:
-    - master
+    refs:
+      - master
+
     changes:
       - json-api/