diff --git a/conlanging.el b/conlanging.el
index 78a3111..32c50f7 100644
--- a/conlanging.el
+++ b/conlanging.el
@@ -3,7 +3,7 @@
 ;; Author: Lucien Cartier-Tilet
 ;; Maintainer: Lucien Cartier-Tilet
 ;; Version: 0.1.0
-;; Package-Requires: ((emacs "24") (org "9") (eioio "1"))
+;; Package-Requires: ((emacs "24") (org "9") (eieio "1"))
 ;; Homepage: https://labs.phundrak.com/phundrak/conlanging.el
 
 ;; This file is not part of GNU Emacs