diff --git a/2021/beardhatcode b/2021/beardhatcode
index 84d0d57..9d8fcd6 160000
--- a/2021/beardhatcode
+++ b/2021/beardhatcode
@@ -1 +1 @@
-Subproject commit 84d0d577cd0343ea5fab32374bbdbbfc3c9fd8b4
+Subproject commit 9d8fcd63559b3745d4b198c66697eaa3022cc7b4
diff --git a/2021/chvp b/2021/chvp
index 12331b8..ed47d61 160000
--- a/2021/chvp
+++ b/2021/chvp
@@ -1 +1 @@
-Subproject commit 12331b8b1733b1e3677697f26df0ed6cb60d244e
+Subproject commit ed47d6146cb52d4a55dad33cf6d652b96706932b
diff --git a/2021/mraedis b/2021/mraedis
index 5009c4f..4a12dc1 160000
--- a/2021/mraedis
+++ b/2021/mraedis
@@ -1 +1 @@
-Subproject commit 5009c4f691e38ca8fb31bf8d7f8c1e806027bd2a
+Subproject commit 4a12dc1b85be1461243c2fa2fd8adbf781b2a0fd
diff --git a/2021/silvius b/2021/silvius
index bf292d6..b331d63 160000
--- a/2021/silvius
+++ b/2021/silvius
@@ -1 +1 @@
-Subproject commit bf292d671b6b16e6a3579a56ab4f2e0f7789e752
+Subproject commit b331d63856342887b8b08357d379e9b7b1c60fa5