diff --git a/script/rbenv-install.sh b/script/rbenv-install.sh
index a6d37c8977..f92c8a1fb0 100755
--- a/script/rbenv-install.sh
+++ b/script/rbenv-install.sh
@@ -24,7 +24,13 @@ if rbenv install --skip-existing; then
   echo "Ruby is installed."
 else
   echo "Upgrading rbenv's ruby-build:"
-  git -C "$(rbenv root)"/plugins/ruby-build pull
+  # If installed with homebrew, use that to update
+  if (command -v brew && brew list --versions ruby-build); then
+    brew update && brew upgrade ruby-build
+  else
+    # Update with git
+    git -C "$(rbenv root)"/plugins/ruby-build pull
+  fi
 
   rbenv install
 fi