diff --git a/Library/Homebrew/brew.sh b/Library/Homebrew/brew.sh
index 7e3a8e264a..c9d64f1c04 100644
--- a/Library/Homebrew/brew.sh
+++ b/Library/Homebrew/brew.sh
@@ -160,7 +160,7 @@ update-preinstall() {
   fi
 
   if [[ "$HOMEBREW_COMMAND" = "install" || "$HOMEBREW_COMMAND" = "upgrade" ||
-        "$HOMEBREW_COMMAND" = "bump-formula-pr" ||
+        "$HOMEBREW_COMMAND" = "bump-formula-pr" || "$HOMEBREW_COMMAND" = "bump-cask-pr" ||
         "$HOMEBREW_COMMAND" = "bundle" ||
         "$HOMEBREW_COMMAND" = "tap" && $HOMEBREW_ARG_COUNT -gt 1 ||
         "$HOMEBREW_CASK_COMMAND" = "install" || "$HOMEBREW_CASK_COMMAND" = "upgrade" ]]