diff --git a/script/cibuild b/script/cibuild
index 52984df6..c929d533 100755
--- a/script/cibuild
+++ b/script/cibuild
@@ -1,7 +1,17 @@
 #!/bin/sh
 if [ -d /usr/share/rbenv/shims ]; then
   export PATH=/usr/share/rbenv/shims:$PATH
-  export RBENV_VERSION="2.1.2p95-github"
+  export RBENV_VERSION=2.1.2-github
+  export RUBY_VERSION=2.1.2-github
 fi
 
+set -x
+git log -n 1 HEAD | cat
+ruby -v
+bundle -v
+set +x
+
+mkdir -p ./vendor/gems
+
+bundle install --full-index --local --path ./vendor/gems
 bundle exec rake