diff --git a/.circleci/config.yml b/.circleci/config.yml
index 17f13e49..09a6e8d2 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -24,6 +24,7 @@ version: 2
         name: Run tests
         command: |
           export CC=${CC}
+          pip3 install -r requirements.txt
           cd test && python3 -m nose --rednose --verbose