diff --git a/build_tools/llvm_version.txt b/build_tools/llvm_version.txt
index 8ae25b7..b4c86cc 100644
--- a/build_tools/llvm_version.txt
+++ b/build_tools/llvm_version.txt
@@ -1,2 +1,2 @@
-2eadbc86142bab5b46dfeb55d8bd6724234278bb
+bb43a0cd4adc4f1fa12e0d2fd1fe9aa6b5c00e34