diff --git a/bin/install-ruby.sh b/bin/install-ruby.sh
index e6fc685..97088c0 100755
--- a/bin/install-ruby.sh
+++ b/bin/install-ruby.sh
@@ -7,8 +7,8 @@ curl -sSL https://get.rvm.io | bash
 rvm requirements
 
 # Install a Ruby
-rvm install 2.4.0
-rvm use --default 2.4.0
+rvm install 2.5
+rvm use --default 2.5
 rvm rubygems latest
 
 # Install gems