diff --git a/vendor/nim-beacon-chain b/vendor/nim-beacon-chain
index 0d4c2f0f7..5625ba933 160000
--- a/vendor/nim-beacon-chain
+++ b/vendor/nim-beacon-chain
@@ -1 +1 @@
-Subproject commit 0d4c2f0f74a9b31e26630420c797691d6f1362fb
+Subproject commit 5625ba933a5f37f96590779558719ff91aa0d4f3
diff --git a/vendor/nim-json-serialization b/vendor/nim-json-serialization
index a1baedeb1..9d909d352 160000
--- a/vendor/nim-json-serialization
+++ b/vendor/nim-json-serialization
@@ -1 +1 @@
-Subproject commit a1baedeb1b52bc8016b6f2be519801d96f26da0d
+Subproject commit 9d909d352a657c3fa78c38aa1654cc0f938f997d
diff --git a/vendor/nim-serialization b/vendor/nim-serialization
index 060c8fd9b..6bbde4d3a 160000
--- a/vendor/nim-serialization
+++ b/vendor/nim-serialization
@@ -1 +1 @@
-Subproject commit 060c8fd9bf458e4710f139bdc923afbfdf13163d
+Subproject commit 6bbde4d3a0e803e80dc15043faf9ea96628acbdb