diff --git a/build_tools/llvm_version.txt b/build_tools/llvm_version.txt
index e2fb8df..6810974 100644
--- a/build_tools/llvm_version.txt
+++ b/build_tools/llvm_version.txt
@@ -1,2 +1,2 @@
-28e322ea9393e6b3841886006dd170ddd810fd9b
+c558c22cab9a555d2e521102b775759381e9727f