diff --git a/.emacs.d/init.el b/.emacs.d/init.el
index 717e08a..26f6eb3 100644
--- a/.emacs.d/init.el
+++ b/.emacs.d/init.el
@@ -107,6 +107,10 @@
 (use-package popwin :quelpa
   :config
   (popwin-mode 1))
+(use-package cat-mode :quelpa
+  (cat-mode :fetcher github :repo "ad1217/emacs-cat-mode")
+  :config
+  (cat-mode 1))
 
 ;; optional external packages
 (use-package arduino-mode