diff --git a/.travis.yml b/.travis.yml
index 91f78f8..58b9dd1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,7 +7,7 @@ env:
   - BASEDIR="https://raw.githubusercontent.com/open-contracting/standard-maintenance-scripts/master"
 install:
   - curl -s -S --retry 3 $BASEDIR/tests/install.sh | bash -
-  - pip install -r requirements.txt
+  - pip install -r requirements_dev.txt
   - pip install coveralls
 script:
   - curl -s -S --retry 3 $BASEDIR/tests/script.sh | bash -