diff --git a/.travis.yml b/.travis.yml
index b2c42eb9..a5355b3f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,4 +1,8 @@
 language: ruby
+
+before_script:
+  - gem install bundler
+
 rvm:
   - 2.3
   - 2.4