diff --git a/build_tools/llvm_version.txt b/build_tools/llvm_version.txt
index efb1d1f..c48c880 100644
--- a/build_tools/llvm_version.txt
+++ b/build_tools/llvm_version.txt
@@ -1,2 +1,2 @@
-0de60b550b727fa3a0202a9ab5ca30520e291dd5
+b2b7dbb47aa9aff1252d4440bb9986df5a7e67cb