diff --git a/dotfiles/emacs.d/README.org b/dotfiles/emacs.d/README.org
index 65264ff5..94bcf8df 100644
--- a/dotfiles/emacs.d/README.org
+++ b/dotfiles/emacs.d/README.org
@@ -121,7 +121,8 @@ These definitions silence the byte-compiler
   '(("elpa" "tromey.com/elpa/" "http")
     ;; ("marmalade" "marmalade-repo.org/packages/")             (ref:marmalade)
     ("org" "orgmode.org/elpa/" "http")                          (ref:org setup)
-    ("melpa" "melpa.org/packages/" nil)))
+    ("melpa" "melpa.org/packages/" nil)
+    ("melpa-stable" "http://stable.melpa.org/packages/" nil)))
 
 (defun imalison:add-package-archive (archive-name archive-uri)
   (add-to-list 'package-archives
@@ -2466,6 +2467,7 @@ The following is taken from [[https://github.com/syl20bnr/spacemacs/blob/a650877
   :config
   (progn
     (when (use-package ensime
+            :pin melpa-stable
             :bind (:map ensime-mode-map
                         ("M-," . ensime-pop-find-definition-stack))
             :commands ensime-mode)