diff --git a/LICENSE b/LICENSE
index 327f904..4dc4d36 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2015-2019, Adrien Gallouët <adrien@gallouet.fr>
+Copyright (c) 2015-2020, Adrien Gallouët <adrien@gallouet.fr>
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
diff --git a/argz b/argz
index e228442..f88a280 160000
--- a/argz
+++ b/argz
@@ -1 +1 @@
-Subproject commit e2284424d7747e1103c28c65277b8e75de133581
+Subproject commit f88a280d2b4fd64e93393f0a6ae76c2d4baa776a
diff --git a/mud b/mud
index b6238c9..2a812f3 160000
--- a/mud
+++ b/mud
@@ -1 +1 @@
-Subproject commit b6238c939e685733d2af48d332b2eba9e25e1678
+Subproject commit 2a812f332f2fa49fb020c50b1375f954dbd06dbd