diff --git a/dovecot-2.3.20.tar.gz b/dovecot-2.3.21.tar.gz
similarity index 50%
rename from dovecot-2.3.20.tar.gz
rename to dovecot-2.3.21.tar.gz
index db5905c6fc0abcea836eb33357d5a5c165438968..371cd3622cc3d52cec4f8281d9d137fb0fa2a73d 100644
Binary files a/dovecot-2.3.20.tar.gz and b/dovecot-2.3.21.tar.gz differ
diff --git a/dovecot.spec b/dovecot.spec
index 15acdc5ddb49ffc2eb65d36474c61f34db425dd2..5ff727dd79190565264690bc6bf20e993b47363a 100644
--- a/dovecot.spec
+++ b/dovecot.spec
@@ -5,8 +5,8 @@
 %global _hardened_build 1
 
 Name:          dovecot
-Version:       2.3.20
-Release:       2
+Version:       2.3.21
+Release:       1
 Summary:       Dovecot Secure imap server
 License:       MIT and LGPLv2.1
 URL:           http://www.dovecot.org/
@@ -315,6 +315,9 @@ make check
 
 
 %changelog
+* Tue Mar 19 2024 wangkai <13474090681@163.com> - 1:2.3.21-1
+- Update to 2.3.21
+
 * Thu Aug 24 2023 Xiaoya Huang <huangxiaoya@iscas.ac.cn> - 1:2.3.20-2
 - Add conditionals for the CFLAGS that only the GCC compiler support