diff --git a/files/.tmux.conf b/files/.tmux.conf
index 192397b..6883d76 100644
--- a/files/.tmux.conf
+++ b/files/.tmux.conf
@@ -7,6 +7,8 @@ run-shell "\
 
 # https://github.com/tmux/tmux/blob/master/CHANGES
 #
+# 2.4
+# * vi-copy syntax changes
 # 2.2
 # * UTF8 autodetected, `set status-utf8` not accepted.
 #
@@ -79,8 +81,14 @@ bind -r L resize-pane -R 5
 # buffers
 #
 bind = paste-buffer
-bind -t vi-copy 'v' begin-selection
-bind -t vi-copy 'y' copy-selection
+if-shell -b 'test $TEST_VERSION -lt 204' "\
+	bind -t vi-copy 'v' begin-selection; \
+	bind -t vi-copy 'y' copy-selection; \
+"
+if-shell -b 'test $TMUX_VERSION -ge 204' "\
+	bind-key -T copy-mode-vi v send -X begin-seletion; \
+	bind-key -T copy-mode-vi y send -X copy-seletion; \
+"
 
 # clear scroll
 #