diff --git a/.circleci/config.yml b/.circleci/config.yml
index 83bb29d..9318cfa 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -34,4 +34,4 @@ jobs:
           key: v1-dependencies-{{ checksum "composer.json" }}
         
       # run tests!
-      - run: phpunit
+      - run: vendor/bin/phpunit