diff --git a/.travis.yml b/.travis.yml
index ca9f2762261e2d452f2c6a93e8e1ab793e7155bc..8d725fb17fdfbd7111a9491d7172c997834269b3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -16,7 +16,7 @@ addons:
       - python2.7-dev
       - golang
 before_install:
-  -  pip install -U virtualenv pre-commit pip
+  -  sudo pip install -U virtualenv pre-commit pip
   -  GOPATH=/tmp/go go get -u github.com/wangkuiyi/ipynb/markdown-to-ipynb
 script:
   -  PATH=/tmp/go/bin:$PATH .travis/precommit.sh