diff --git a/llvm/utils/release/tag.sh b/llvm/utils/release/tag.sh
index 399d5c5a7fa9..cc4fc8085bd6 100755
--- a/llvm/utils/release/tag.sh
+++ b/llvm/utils/release/tag.sh
@@ -32,7 +32,7 @@ function usage() {
 
 function tag_version() {
     set -x
-    for proj in llvm cfe dragonegg test-suite compiler-rt ; do
+    for proj in llvm cfe dragonegg test-suite compiler-rt libcxx ; do
         if svn ls $base_url/$proj/branches/release_$release > /dev/null 2>&1 ; then
             if [ $rebranch = "no" ]; then
                 continue
@@ -49,7 +49,7 @@ function tag_version() {
 
 function tag_release_candidate() {
     set -x
-    for proj in llvm cfe dragonegg test-suite compiler-rt ; do
+    for proj in llvm cfe dragonegg test-suite compiler-rt libcxx ; do
         if ! svn ls $base_url/$proj/tags/RELEASE_$release > /dev/null 2>&1 ; then
             svn mkdir -m "Creating release directory for release_$release." $base_url/$proj/tags/RELEASE_$release
         fi