diff --git a/packaging_scripts/create_dmg_using_brew.sh b/packaging_scripts/create_dmg_using_brew.sh
index 7a09d57469d7aaae550784640477b46cb5ec999f..7aa190b2239e9516cc6730db23c1f57f613b79b2 100755
--- a/packaging_scripts/create_dmg_using_brew.sh
+++ b/packaging_scripts/create_dmg_using_brew.sh
@@ -79,7 +79,7 @@ export PATH=${BREW_PREFIX}/bin:$PATH
         echo "[I] Brew exists. Not installing"
     fi
     echo "Copying moose.rb and moogli.rb"
-    cp $CURRDIR/../macosx/*.rb $BREW_PREFIX/Library/Formula/
+    rsync -azv --progress $CURRDIR/../macosx/*.rb $BREW_PREFIX/Library/Formula/
 
     # This even works without python.
     ## NOTE: DO NOT install matplotlib using brew unless also installing python