diff --git a/build_tools/llvm_version.txt b/build_tools/llvm_version.txt
index 80bfd68..7d3982f 100644
--- a/build_tools/llvm_version.txt
+++ b/build_tools/llvm_version.txt
@@ -1,2 +1,2 @@
-beeceb92c082ce13807504b1e8f0567bf91d17ea
+a90d72127a814ea242227456be711aca07cc83a6