diff --git a/utils/release/tag.sh b/utils/release/tag.sh
index d94f68dce68..390acafac58 100755
--- a/utils/release/tag.sh
+++ b/utils/release/tag.sh
@@ -17,7 +17,7 @@ set -e
 release=""
 rc=""
 rebranch="no"
-projects="llvm cfe dragonegg test-suite compiler-rt libcxx clang-tools-extra polly lldb lld openmp"
+projects="llvm cfe dragonegg test-suite compiler-rt libcxx libcxxabi clang-tools-extra polly lldb lld openmp"
 
 base_url="https://llvm.org/svn/llvm-project"