diff --git a/emacs.d/dev.el b/emacs.d/dev.el
index a615f1c..263b73e 100644
--- a/emacs.d/dev.el
+++ b/emacs.d/dev.el
@@ -2,6 +2,10 @@
   :ensure nil
   :hook ((prog-mode . electric-pair-mode)))
 
+(use-package idle-highlight-mode
+  :ensure t
+  :hook ((prog-mode . idle-highlight-mode)))
+
 (use-package treesit-auto
   :ensure t
   :custom