diff --git a/2023/chvp b/2023/chvp
index 39f3f47..c2f552d 160000
--- a/2023/chvp
+++ b/2023/chvp
@@ -1 +1 @@
-Subproject commit 39f3f470f26d3351f5e7aac6380bcbe091a2d4e2
+Subproject commit c2f552dab2fb26f5b8e03eecd0e3a77f5a098bcb
diff --git a/2023/mcbloch b/2023/mcbloch
index 1f880af..c556d33 160000
--- a/2023/mcbloch
+++ b/2023/mcbloch
@@ -1 +1 @@
-Subproject commit 1f880afeb202041f476a3b771ef72e8b1a0dc3a7
+Subproject commit c556d3367c14060e320edec081b737dd44db0ccb
diff --git a/2023/robbe b/2023/robbe
index 92c62b8..d940072 160000
--- a/2023/robbe
+++ b/2023/robbe
@@ -1 +1 @@
-Subproject commit 92c62b897596be78c0d85e9a000f1eb07b3aabf1
+Subproject commit d940072430a81d4253d9b129865fb3feffaed93c
diff --git a/2023/vincent b/2023/vincent
index 70a680e..9f3b5d4 160000
--- a/2023/vincent
+++ b/2023/vincent
@@ -1 +1 @@
-Subproject commit 70a680ee4500de72f54e4fe5875ccfad0a3c863c
+Subproject commit 9f3b5d496e2db9ef6fedeb9cfe748294e29af3af