diff --git a/clients/ruby/bin/setup b/clients/ruby/bin/setup
index dce67d86..c748ed42 100755
--- a/clients/ruby/bin/setup
+++ b/clients/ruby/bin/setup
@@ -3,6 +3,7 @@ set -euo pipefail
 IFS=$'\n\t'
 set -vx
 
+sudo gem install bundler
 bundle install
 
 # Do any other automated setup that you need to do here