diff --git a/.travis.yml b/.travis.yml
index 3783642b..8ca1bc43 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -27,7 +27,7 @@ cache:
 # Setup build matrix and dependencies
 before_install:
   - eval "${MATRIX_EVAL}"
-  - gem install mtime_cache --no-ri --no-rdoc
+  - gem install mtime_cache --no-document
   - sudo apt-get update
   - sudo apt-get install -y libmysqlclient-dev