diff --git a/cereal b/cereal
index e122955b47..a9e21f6c52 160000
--- a/cereal
+++ b/cereal
@@ -1 +1 @@
-Subproject commit e122955b47c741faa003553f565f2fcfa5059162
+Subproject commit a9e21f6c521aa492c9676bfbd1e2aa8af7fbe8b1