diff --git a/README.txt b/README.txt
index c2a7000..71d8543 100644
--- a/README.txt
+++ b/README.txt
@@ -1,5 +1,5 @@
 Package: Typeset tabulars and arrays with LaTeX3
-Author: Jianrui Lyu <tolvjr@163.com>
+Copyright: 2021-2022 (c) Jianrui Lyu <tolvjr@163.com>
 CTAN: https://ctan.org/pkg/tabularray
 Repository: https://github.com/lvjr/tabularray
 Repository: https://bitbucket.org/lvjr/tabularray
diff --git a/tabularray.sty b/tabularray.sty
index cb75ee4..5ec7733 100644
--- a/tabularray.sty
+++ b/tabularray.sty
@@ -1,7 +1,7 @@
 %%% % -*- coding: utf-8 -*-
 %%% ----------------------------------------------------------------------------
 %%% Tabularray: Typeset tabulars and arrays with LaTeX3
-%%% Author    : Jianrui Lyu <tolvjr@163.com>
+%%% Copyright : 2021-2022 (c) Jianrui Lyu <tolvjr@163.com>
 %%% Repository: https://github.com/lvjr/tabularray
 %%% License   : The LaTeX Project Public License 1.3
 %%% ----------------------------------------------------------------------------
@@ -16,7 +16,7 @@
 \DeclareCurrentRelease{}{2022-01-01}
 
 \RequirePackage{expl3}
-\ProvidesExplPackage{tabularray}{2022-01-01}{2022@}
+\ProvidesExplPackage{tabularray}{2022-03-01}{2022A}
   {Typeset tabulars and arrays with LaTeX3}
 
 %% \IfFormatAtLeastTF, xparse and lthooks are added in LaTeX 2020-10-01
diff --git a/tabularray.tex b/tabularray.tex
index 974bec8..95416b6 100644
--- a/tabularray.tex
+++ b/tabularray.tex
@@ -1,7 +1,7 @@
 % -*- coding: utf-8 -*-
 % !TEX program = lualatex
 \documentclass[oneside]{book}
-\newcommand*{\myversion}{2022@}
+\newcommand*{\myversion}{2022A}
 \newcommand*{\mylpad}[1]{\ifnum#1<10 0\the#1\else\the#1\fi}
 
 \usepackage[a4paper,margin=2.5cm]{geometry}