diff --git a/build_tools/llvm_version.txt b/build_tools/llvm_version.txt
index c5052d21b..ef1e144e5 100644
--- a/build_tools/llvm_version.txt
+++ b/build_tools/llvm_version.txt
@@ -1 +1 @@
-723a9b87e212a06ae1183f52aa51fa5e367d5a68
+2641ed7d26198557a63ce447a0584a96494a5ac4