diff --git a/vendor/nim-beacon-chain b/vendor/nim-beacon-chain
index 0305432a8..8f64ab6ad 160000
--- a/vendor/nim-beacon-chain
+++ b/vendor/nim-beacon-chain
@@ -1 +1 @@
-Subproject commit 0305432a8749b87129cb4804d42a583c4d7344a3
+Subproject commit 8f64ab6addd2a45efa2a2a9add019fe2d9212681