diff --git a/.chezmoiexternal.toml b/.chezmoiexternal.toml
new file mode 100644
index 0000000..6df5d05
--- /dev/null
+++ b/.chezmoiexternal.toml
@@ -0,0 +1,4 @@
+[".tmux/plugins/tpm"]
+    type = "git-repo"
+    url = "https://github.com/tmux-plugins/tpm"
+    refreshPeriod = "168h"
diff --git a/dot_tmux.conf b/dot_tmux.conf
index bb826f4..28bab51 100644
--- a/dot_tmux.conf
+++ b/dot_tmux.conf
@@ -4,3 +4,5 @@ set -g prefix C-a
 bind a send-prefix 
 unbind S
 bind S set-window-option synchronize-panes
+unbind r
+bind r source-file ~/.tmux.conf