diff --git a/script/setup b/script/setup
index e03015ada2..430c07b911 100755
--- a/script/setup
+++ b/script/setup
@@ -33,7 +33,7 @@ fi
 
 # Set up Ruby dependencies via Bundler
 if ! command -v bundle > /dev/null; then
-  gem install bundler
+  ./script/install-bundler
 fi
 
 # Install all dependencies