diff --git a/build_tools/llvm_version.txt b/build_tools/llvm_version.txt
index 3bfd3bf..bf30f68 100644
--- a/build_tools/llvm_version.txt
+++ b/build_tools/llvm_version.txt
@@ -1,2 +1,2 @@
-a48d480e1f7ebc5d5f93507fe1f519496621e259
+3cb8347c94a0d8ae1295fa4ae686443f49bc18e8