diff --git a/build_tools/llvm_version.txt b/build_tools/llvm_version.txt
index ad5a4f1..55cf587 100644
--- a/build_tools/llvm_version.txt
+++ b/build_tools/llvm_version.txt
@@ -1,2 +1,2 @@
-81a408808f668c74ada3a1ed3d55f1feef334872
+6caf3fb8178699ac14fb94fef99aaf1cf297264f