--- a/mic-paren.el
+++ b/mic-paren.el
@@ -332,6 +332,8 @@
 (defvar mic-paren-version "3.15"
   "Version of mic-paren.")
 
+(require 'cl-lib)
+
 ;;; ======================================================================
 ;; Compatibility stuff
 ;; BLOB to make custom stuff work even without customize
