diff --git a/test b/test
index 7c56154b..776625e6 100755
--- a/test
+++ b/test
@@ -12,6 +12,9 @@ VERSIONS=(
 function test_with() {
   version=$1
   rbenv local $version
+  if ! bundle check > /dev/null; then
+    bundle install
+  fi
   ruby -v
   rake spec
 }