brew install python
diff --git a/.circleci/config.yml b/.circleci/config.yml
index 09ee36e..aa78724 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -59,7 +59,7 @@
       - checkout
       - run:
           name: Install cmake
-          command: brew install cmake
+          command: brew install cmake python
       - run: test/test.sh
       - run:
           name: test.py