diff --git a/setup/macos-live/update-base-image b/setup/macos-live/update-base-image
index 9900fd3d..b5cf2629 100755
--- a/setup/macos-live/update-base-image
+++ b/setup/macos-live/update-base-image
@@ -13,6 +13,9 @@ WK_DEV="$1"
 rm -Rv "${WK_DEV}"/Install*.app
 cp -av Utilities.plist "${WK_DEV}/System/Installation/CDIS/OS X Utilities.app/Contents/Resources/Utilities.plist"
 
+# 1201 CA
+cp -av ../windows/bin/1201_Root_CA.crt "${WK_DEV}/.1201_Root_CA.crt"
+
 # Homebrew
 ln -s python3 "${WK_DEV}"/usr/local/bin/python
 rsync -ahvPS /opt/ "${WK_DEV}"/opt/