diff --git a/core/packages.el b/core/packages.el
index 1466d17f9..9c568c2a7 100644
--- a/core/packages.el
+++ b/core/packages.el
@@ -28,18 +28,19 @@
 (package! shackle)
 
 ;; core-editor.el
-(package! editorconfig)
-(package! smartparens)
 (package! ace-link)
 (package! ace-window)
 (package! avy)
 (package! command-log-mode)
+(package! editorconfig)
 (package! expand-region)
 (package! help-fns+)
 (package! imenu-anywhere)
 (package! imenu-list)
 (package! pcre2el)
 (package! smart-forward)
+(package! smartparens)
+(package! undo-tree)
 (package! wgrep)
 
 ;; core-projects.el