diff --git a/.travis.yml b/.travis.yml
index 72103e4..171293d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,7 +12,7 @@ env:
 
 install:
   - npm install -g validate-dockerfile
-  - bundle install
+  - bundle install --without development
 
 script:
   - docklint Dockerfile