1 files changed, 1 insertions, 0 deletions

diff --git a/README.md b/README.md
index d5c4b9b..04c9137 100644
--- a/README.md
+++ b/README.md
@@ -119,6 +119,7 @@ pkg install rubygem-oxidized rubygem-oxidized-script rubygem-oxidized-web
 ```shell
 git clone https://github.com/ytti/oxidized.git
 cd oxidized/
+gem install bundler
 rake install
 ```