diff --git a/build_tools/llvm_version.txt b/build_tools/llvm_version.txt
index f67b7da..22e5ed1 100644
--- a/build_tools/llvm_version.txt
+++ b/build_tools/llvm_version.txt
@@ -1,2 +1,2 @@
-0fc1aa22ee6ac337a5d51fa5666c9cd61da61b07
+2e1a737f46460ddc15733f78acb42e27bc18a5ee