diff --git a/build_tools/llvm_version.txt b/build_tools/llvm_version.txt
index ec26c58..5f04dbc 100644
--- a/build_tools/llvm_version.txt
+++ b/build_tools/llvm_version.txt
@@ -1,2 +1,2 @@
-6648414b2b7dd3802e6931be2f657926b97d0764
+9bb9b737c5573cf3850230bc4db8dac7be0e1e85