diff --git a/2021/rien b/2021/rien
index aed47c7..9f2909e 160000
--- a/2021/rien
+++ b/2021/rien
@@ -1 +1 @@
-Subproject commit aed47c72cb8d78fc2740d1f40c4aa147ba2b92bd
+Subproject commit 9f2909e30d74b18e6721ded3a0effa250142b245