diff --git a/.travis.yml b/.travis.yml
index 639de9a80e..4c23ae0648 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -22,6 +22,10 @@ install:
   # - sudo apt-get update -qq && sudo apt-get install -y dart
   # - export PATH=$PATH:/usr/lib/dart/bin:$HOME/.pub-cache/bin
   # - git clone https://github.com/KhronosGroup/glTF-Validator && pushd glTF-Validator && pub get && pub global activate --source path ./ && popd
+  - pip install flake8
+
+before_script:
+  - flake8 . --max-line-length=120 --statistics
 
 script:
   - pwd