From 492a2ccfacd043742d720b7d1b5cffe7d8ea3a53 Mon Sep 17 00:00:00 2001
From: Jacek Sieka <jacek@status.im>
Date: Tue, 23 Aug 2022 20:32:34 +0200
Subject: [PATCH] bump ssz-serialization (#4017)

* free 7% speedup of `hash_tree_root`
* harden `len` for uninitialized `BitSeq`
---
 vendor/nim-ssz-serialization | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/vendor/nim-ssz-serialization b/vendor/nim-ssz-serialization
index c0ea14a1a..639758dbd 160000
--- a/vendor/nim-ssz-serialization
+++ b/vendor/nim-ssz-serialization
@@ -1 +1 @@
-Subproject commit c0ea14a1acbc92ff9fe646665c52d1a16d81cbfd
+Subproject commit 639758dbd9a5f3e75a15449ddf80d6fd1cfa585e