diff --git a/cereal b/cereal
index a818779f1a..e4939daf2a 160000
--- a/cereal
+++ b/cereal
@@ -1 +1 @@
-Subproject commit a818779f1a55c6bf53fa0692e31111585662b722
+Subproject commit e4939daf2a57c82a4a71d1d62f9a0ca1a33c3f55