diff --git a/.circle.yml b/.circle.yml
index ab9089cde..a0097def0 100644
--- a/.circle.yml
+++ b/.circle.yml
@@ -14,6 +14,7 @@ dependencies:
         - rm -rf ~/.pyenv
         - rm -rf ~/virtualenvs
     post:
+        - case $CIRCLE_NODE_INDEX in 0) pip install -r requirements-tests.txt ;; esac:
         - case $CIRCLE_NODE_INDEX in 0) python setup.py install ;; 1) python setup.py install ;; esac:
             parallel: true