diff --git a/build_tools/llvm_version.txt b/build_tools/llvm_version.txt
index c1d0edd..3a5c11c 100644
--- a/build_tools/llvm_version.txt
+++ b/build_tools/llvm_version.txt
@@ -1,2 +1,2 @@
-a2291a58bf1c860d026581fee6fe96019dc25440
+473b364a19ff4ec39abe2ce3da6614d717207966