diff --git a/.circleci/config.yml b/.circleci/config.yml
index e6db1ca..5e02bb8 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -38,7 +38,7 @@ jobs:
           name: run tests
           command: |
             . venv/bin/activate
-            py.test tests
+            pipenv run "py.test tests"
 
       - store_artifacts:
           path: test-reports