diff --git a/vendor/nim-serialization b/vendor/nim-serialization
index 08055d72f..2086c9960 160000
--- a/vendor/nim-serialization
+++ b/vendor/nim-serialization
@@ -1 +1 @@
-Subproject commit 08055d72f3ce0b29e799c191713e0ca2e903fe71
+Subproject commit 2086c99608b4bf472e1ef5fe063710f280243396
diff --git a/vendor/nim-web3 b/vendor/nim-web3
index c76ddefea..523fa0d3d 160000
--- a/vendor/nim-web3
+++ b/vendor/nim-web3
@@ -1 +1 @@
-Subproject commit c76ddefea96e7763c3cc5b28ec5cbac1adefc4e7
+Subproject commit 523fa0d3d39994c85b75900139fc16d27277f6ad