diff --git a/README.org b/README.org
index 9032dc3..04fa72f 100644
--- a/README.org
+++ b/README.org
@@ -249,6 +249,10 @@ If candidate icons of tabnine are displayed wrongly [[https://github.com/shuxiao
 (add-to-list 'kind-icon-mapping `(tabnine ,(nerd-icons-codicon "nf-cod-hubot") :face font-lock-warning-face) t)
 #+end_src
 
+* Requirements
+
+- Emacs 28.1 or later
+
 * Thanks
 
 Thanks to the great work of [[https://github.com/TommyX12][Tommy Xiang]], [[https://github.com/zerolfx/copilot.el][zerolfx]] and [[https://github.com/karthink][karthink]].
diff --git a/tabnine.el b/tabnine.el
index 9cd45e8..02db700 100644
--- a/tabnine.el
+++ b/tabnine.el
@@ -7,7 +7,7 @@
 ;;         John Gong <gjtzone@hotmail.com>
 ;;
 ;; Version: 0.0.2
-;; Package-Requires: ((emacs "29.1") (dash "2.16.0") (s "1.12.0") (editorconfig "0.9.1") (vterm "0.0.2") (language-id "0.5.1") (transient "0.4.0"))
+;; Package-Requires: ((emacs "27.1") (dash "2.16.0") (s "1.12.0") (editorconfig "0.9.1") (vterm "0.0.2") (language-id "0.5.1") (transient "0.4.0"))
 ;; Keywords: convenience
 ;; URL: https://github.com/shuxiao9058/tabnine/