diff --git a/build_tools/llvm_version.txt b/build_tools/llvm_version.txt
index 5d9bd67..0981fac 100644
--- a/build_tools/llvm_version.txt
+++ b/build_tools/llvm_version.txt
@@ -1,2 +1,2 @@
-a54eb9b7c509490f1e3cecba489de14a58699192
+e1cd7cac8a36608616d515b64d12f2e86643970d