diff --git a/core/prelude-editor.el b/core/prelude-editor.el
index 31c5a09..f465e47 100644
--- a/core/prelude-editor.el
+++ b/core/prelude-editor.el
@@ -376,6 +376,10 @@ indent yanked text (with prefix arg don't indent)."
 ;; enable winner-mode to manage window configurations
 (winner-mode +1)
 
+;; diff-hl
+(global-diff-hl-mode +1)
+(add-hook 'dired-mode-hook 'diff-hl-dired-mode)
+
 (provide 'prelude-editor)
 
 ;;; prelude-editor.el ends here
diff --git a/core/prelude-packages.el b/core/prelude-packages.el
index 7886d27..d78b1ab 100644
--- a/core/prelude-packages.el
+++ b/core/prelude-packages.el
@@ -48,6 +48,7 @@
     anzu
     browse-kill-ring
     dash
+    diff-hl
     diminish
     elisp-slime-nav
     epl