diff --git a/third_party/a8 b/third_party/a8
index 0832282b..91b5f74b 160000
--- a/third_party/a8
+++ b/third_party/a8
@@ -1 +1 @@
-Subproject commit 0832282bbc2f04f417a93b968d50d7795b1f7576
+Subproject commit 91b5f74b3a08a51674e825a499beba668b5d23be