Automatically update packages weekly

.emacs.d/init.org

@@ -18,6 +18,17 @@ Setup use-package and configure it to always install missing packages.
   (setq use-package-always-ensure t)
 #+END_SRC
 
+Automatically update packages one per week.
+
+#+BEGIN_SRC emacs-lisp
+(use-package auto-package-update
+   :ensure t
+   :config
+   (setq auto-package-update-delete-old-versions t
+         auto-package-update-interval 7)
+   (auto-package-update-maybe))
+#+END_SRC
+
 Ensure that emacs doesn't add a custom file which will add
 configuration that isn't in described this file.