diff --git a/Library/Homebrew/brew.sh b/Library/Homebrew/brew.sh
index fc2e6993c5..e82f7098a5 100644
--- a/Library/Homebrew/brew.sh
+++ b/Library/Homebrew/brew.sh
@@ -1,4 +1,4 @@
-HOMEBREW_VERSION="0.9.9"
+HOMEBREW_VERSION="1.0.0"
 
 onoe() {
   if [[ -t 2 ]] # check whether stderr is a tty.
diff --git a/Library/Homebrew/cmd/update.sh b/Library/Homebrew/cmd/update.sh
index 570a4c36bd..eb15e10291 100644
--- a/Library/Homebrew/cmd/update.sh
+++ b/Library/Homebrew/cmd/update.sh
@@ -348,7 +348,7 @@ EOS
     set -x
   fi
 
-  if [[ -z "$HOMEBREW_UPDATE_CLEANUP" ]]
+  if [[ -z "$HOMEBREW_UPDATE_CLEANUP" && -z "$HOMEBREW_UPDATE_TO_TAG" ]]
   then
     if [[ -n "$HOMEBREW_DEVELOPER" || -n "$HOMEBREW_DEV_CMD_RUN" ]]
     then