diff --git a/vendor/nim-ssz-serialization b/vendor/nim-ssz-serialization
index 481b039c8..a264b47d6 160000
--- a/vendor/nim-ssz-serialization
+++ b/vendor/nim-ssz-serialization
@@ -1 +1 @@
-Subproject commit 481b039c8032c80cbfda43f6da7001a7cf6df86b
+Subproject commit a264b47d652ed12e1c2cbe21341c514f25c0f558