diff --git a/build_tools/llvm_version.txt b/build_tools/llvm_version.txt
index 59a5348..7e54c2b 100644
--- a/build_tools/llvm_version.txt
+++ b/build_tools/llvm_version.txt
@@ -1,2 +1,2 @@
-88bbd30736561190a6733d0ad60aec21446b914c
+0581c0b0eeba03da590d1176a4580cf9b9e8d1e3