diff --git a/2021/Flynn b/2021/Flynn
index 05e833b..e046179 160000
--- a/2021/Flynn
+++ b/2021/Flynn
@@ -1 +1 @@
-Subproject commit 05e833b0759053aa220a756e198001de4451f0eb
+Subproject commit e0461793a7c7ab03d216d533a9bc3c8613faa93e
diff --git a/2021/chvp b/2021/chvp
index 0ae5f60..ab0e352 160000
--- a/2021/chvp
+++ b/2021/chvp
@@ -1 +1 @@
-Subproject commit 0ae5f6070ecb3b5918fe1601e54478d24a4aad76
+Subproject commit ab0e352283f66963c00b19d269273a136fa79d42
diff --git a/2021/silvius b/2021/silvius
index 4488365..b5c5c45 160000
--- a/2021/silvius
+++ b/2021/silvius
@@ -1 +1 @@
-Subproject commit 44883651e9bcf061bab9b7d2b5a6910cbeea962e
+Subproject commit b5c5c456afb2e32a4dd2839f5ea46c5972afd433