diff --git a/setup_ruby.sh b/setup_ruby.sh
index 1ff9e49..3dfc640 100644
--- a/setup_ruby.sh
+++ b/setup_ruby.sh
@@ -7,5 +7,5 @@ echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.bashrc
 echo 'eval "$(rbenv init -)"' >> ~/.bashrc
 git clone https://github.com/rbenv/ruby-build.git ~/.rbenv/plugins/ruby-build
 source ~/.bashrc
-rbenv install 2.3.1
-rbenv global 2.3.1
+rbenv install 2.5.0
+rbenv global 2.5.0