diff --git a/build_tools/llvm_version.txt b/build_tools/llvm_version.txt
index a98996b..5d9bd67 100644
--- a/build_tools/llvm_version.txt
+++ b/build_tools/llvm_version.txt
@@ -1,2 +1,2 @@
-921c1b7df37d6f5353ed5fdffa117dcda0c941ba
+a54eb9b7c509490f1e3cecba489de14a58699192