Use proper use-package declaration for lv package

init.el

@@ -474,14 +474,18 @@
 (use-package helpful
   :pin "melpa-stable"
   :ensure t
-  :config (require 'ol))                ; To avoid errors about `org-link-types' not being defined.
+  :config (progn
+            ;; To avoid errors about `org-link-types' not being defined, we explicitly ensure that
+            ;; `ol.el' is loaded after `helpful.el' is.
+            (require 'ol)))
 
 (use-package hydra
   :pin "melpa-stable"
   :ensure t)
 
+(use-package lv
   ;; `lv' is a dependency of `hydra'
-(add-to-list 'package-pinned-packages '(lv . "melpa-stable"))
+  :pin "melpa-stable")
 
 (use-package projectile
   :commands (projectile-mode)