diff --git a/.package-lists/guix b/.package-lists/guix
index b342e69b..fe473f8d 100644
--- a/.package-lists/guix
+++ b/.package-lists/guix
@@ -2,6 +2,7 @@
  '(
 "acpi"
 "adwaita-icon-theme"
+"aegisub"
 "aircrack-ng"
 "alsa-utils"
 "aspell"
@@ -117,6 +118,7 @@
 "git"
 "git:credential-netrc"
 "git:send-email"
+"git:subtree"
 "glibc-utf8-locales"
 "gmtp"
 "gnu-standards"
diff --git a/.package-lists/guix-version b/.package-lists/guix-version
index 149f7f5d..752f0708 100644
--- a/.package-lists/guix-version
+++ b/.package-lists/guix-version
@@ -1,4 +1,4 @@
-guix (GNU Guix) f6e9976393c80d12b5f3235bf7fe593077cbc9d1
+guix (GNU Guix) 21c51ebd66faa0b47f0be223d97c3a371346f54b
 Copyright (C) 2018 the Guix authors
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 This is free software: you are free to change and redistribute it.