diff --git a/2021/ninewise b/2021/ninewise
index 60ed698..9d5e6d8 160000
--- a/2021/ninewise
+++ b/2021/ninewise
@@ -1 +1 @@
-Subproject commit 60ed6981b89058cb57d46f5a4c354c102be330a9
+Subproject commit 9d5e6d8390bc6116d3be6e54ba6a5b885fc18d63
diff --git a/2021/robbe b/2021/robbe
index 704cdc6..ecf1751 160000
--- a/2021/robbe
+++ b/2021/robbe
@@ -1 +1 @@
-Subproject commit 704cdc66e4e75afd89b4e681a34945b39474d815
+Subproject commit ecf1751ac16c4547ecfaf43a7458dab027ad607a
diff --git a/2021/silvius b/2021/silvius
index d535d8d..06d2e5d 160000
--- a/2021/silvius
+++ b/2021/silvius
@@ -1 +1 @@
-Subproject commit d535d8d3d3c52452f1e97980432fe369ce74b2b4
+Subproject commit 06d2e5da18e7fab5114a1840a0c81408d02d57e7