diff --git a/vendor/nim-ssz-serialization b/vendor/nim-ssz-serialization
index 9f6fc631e..b6b16f4a7 160000
--- a/vendor/nim-ssz-serialization
+++ b/vendor/nim-ssz-serialization
@@ -1 +1 @@
-Subproject commit 9f6fc631e24bb49e6afa2bdd708e6efc840d240c
+Subproject commit b6b16f4a7b7e83ad18b4d27fe0b5cc7b323ad37e