diff --git a/.travis.yml b/.travis.yml
index 3be078dbb..54dc61055 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,6 +4,7 @@ rvm:
   - 1.9.2
 
 before_script:
+  - ruby -e "system('rm Gemfile.lock') if RUBY_VERSION.include?('1.9')"
   - "sudo aptitude -q -y install firefox"
   - "sudo cp config/ci/xvfb /etc/init.d/xvfb"
   - "sh -e /etc/init.d/xvfb start"