diff --git a/lisp/emacs-lisp/seq.el b/lisp/emacs-lisp/seq.el
index 89fad437427..92f0ad78566 100644
--- a/lisp/emacs-lisp/seq.el
+++ b/lisp/emacs-lisp/seq.el
@@ -57,7 +57,7 @@
 ;;; Code:
 
 (eval-when-compile (require 'cl-generic))
-(require 'cl-extra) ;; for cl-subseq
+(require 'cl-lib) ;; for cl-subseq
 
 (defmacro seq-doseq (spec &rest body)
   "Loop over a sequence.