diff --git a/misc/release/package_script/postinstall b/misc/release/package_script/postinstall
index 18e5c6b8b..c392a8862 100755
--- a/misc/release/package_script/postinstall
+++ b/misc/release/package_script/postinstall
@@ -2,7 +2,7 @@
 
 echo "Running the Xcode integration installer"
 
-/usr/local/bin/macruby_install_xcode_support
+sudo /usr/local/bin/macruby_install_xcode_support
 
 echo "Xcode integration installer exited with status $?"