diff --git a/build_tools/llvm_version.txt b/build_tools/llvm_version.txt
index b6b5db1..c950c9e 100644
--- a/build_tools/llvm_version.txt
+++ b/build_tools/llvm_version.txt
@@ -1,2 +1,2 @@
-a70f2eb3e39a42a71ba077247f9deafbdf1e8092
+8d9c13f37d2081c11186718ae8b5aef8b507d152