diff --git a/build_tools/llvm_version.txt b/build_tools/llvm_version.txt
index b4b77ed..29801f6 100644
--- a/build_tools/llvm_version.txt
+++ b/build_tools/llvm_version.txt
@@ -1,2 +1,2 @@
-ce5379f0f0675592fd10a522009fd5b1561ca72b
+fcf70e1e3b1d57d5fde6b99d0188d1b1774429af