--- a/rc/bashrc	Thu Oct 19 05:52:45 2023 +0900
+++ b/rc/bashrc	Wed Nov 08 14:21:35 2023 +0900
@@ -286,7 +286,7 @@
   ;;
   *)
     case "$(tmux -V 2> /dev/null)" in
-    "tmux 2.9"|"tmux 2.9"[a-z]|"tmux "[3-9].[0-9]|"tmux "[3-9].[0-9][a-z]|"tmux "[1-9][0-9].[0-9]|"tmux "[1-9][0-9].[0-9][a-z]) _tmux_conf_ver=2.9;;
+    "tmux 2.9"|"tmux 2.9"[a-z]|"tmux "[3-9].[0-9]|"tmux "[3-9].[0-9][a-z]|"tmux "[1-9][0-9].[0-9]|"tmux "[1-9][0-9].[0-9][a-z]|"tmux next-"*) _tmux_conf_ver=2.9;;
     "tmux 2."[2-8]) _tmux_conf_ver=2.2;;
     "tmux 1.9"|"tmux 2."[0-1]) _tmux_conf_ver=1.9;;
     "tmux 1."[4-8]) _tmux_conf_ver=1.4;;