diff --git a/vendor/nim-beacon-chain b/vendor/nim-beacon-chain
index b45450159..6ec8ffe0f 160000
--- a/vendor/nim-beacon-chain
+++ b/vendor/nim-beacon-chain
@@ -1 +1 @@
-Subproject commit b45450159534de3a849026d922e164263c4946ca
+Subproject commit 6ec8ffe0ff81794bb24eede89afa18dd0acdd2d2
diff --git a/vendor/nim-json-serialization b/vendor/nim-json-serialization
index 002c6bbb3..c2daa5a23 160000
--- a/vendor/nim-json-serialization
+++ b/vendor/nim-json-serialization
@@ -1 +1 @@
-Subproject commit 002c6bbb381aac0de9446356ce5dcb2a8487ea9e
+Subproject commit c2daa5a23c718aa54d1c9487e507be3e025d3787