diff --git a/auctex-12.1.tar.gz b/auctex-12.1.tar.gz
deleted file mode 100644
index 117f4c2..0000000
Binary files a/auctex-12.1.tar.gz and /dev/null differ
diff --git a/auctex-12.3.tar.gz b/auctex-12.3.tar.gz
new file mode 100644
index 0000000..66dc87b
Binary files /dev/null and b/auctex-12.3.tar.gz differ
diff --git a/emacs-auctex.spec b/emacs-auctex.spec
index f118083..f2c1b12 100644
--- a/emacs-auctex.spec
+++ b/emacs-auctex.spec
@@ -1,6 +1,6 @@
 Name:           emacs-auctex
-Version:        12.1
-Release:        8
+Version:        12.3
+Release:        1
 Summary:        AUC TeX: An Emacs Extension
 License:        GPLv3+ and GFDL
 URL:            http://www.gnu.org/software/auctex/
@@ -96,6 +96,9 @@ fi
 %doc doc/html
 
 %changelog
+* Wed Feb 10 2021 maminjie <maminjie1@huawei.com> - 12.3-1
+- Upgrade to 12.3
+
 * Tue Mar 17 2020 yanzhihua <yanzhihua4@huawei.com> - 12.1-8
 - Fix compile error