diff --git a/build_compiler_rt.sh b/build_compiler_rt.sh
index 27360dd..ef07418 100755
--- a/build_compiler_rt.sh
+++ b/build_compiler_rt.sh
@@ -55,8 +55,9 @@ case $CLANG_VERSION in
   5.0*) BRANCH=release_50; USE_CMAKE=1; ;;
   6.0*) BRANCH=release_60; USE_CMAKE=1; ;;
   7.0*) BRANCH=release_70; USE_CMAKE=1; ;;
-  8.0*) BRANCH=master;     USE_CMAKE=1; ;;
-  * ) echo "Unsupported Clang version, must be >= 3.2 and <= 6.0" 1>&2; exit 1;
+  8.0*) BRANCH=release_80; USE_CMAKE=1; ;;
+  9.0*) BRANCH=master;     USE_CMAKE=1; ;;
+  * ) echo "Unsupported Clang version, must be >= 3.2 and <= 9.0" 1>&2; exit 1;
 esac
 
 if [ $(osxcross-cmp $CLANG_VERSION ">=" 3.5) -eq 1 ]; then