diff --git a/.travis.yml b/.travis.yml
index 98df63c..27ba7e1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,7 +7,7 @@ cache:
   - "./tests/artifacts"
 install:
 - pip install .[all] --progress-bar off
-- pip install git+git://github.com/si-cim/prototorch@dev --progress-bar off
+- pip install git+git://github.com/si-cim/prototorch@dev --upgrade --progress-bar off
 script:
 - coverage run -m pytest
 - ./tests/test_examples.sh examples/