diff --git a/backport-postfix-3.6.2-whitespace-name-fix.patch b/backport-postfix-3.6.2-whitespace-name-fix.patch
deleted file mode 100644
index c45035e..0000000
--- a/backport-postfix-3.6.2-whitespace-name-fix.patch
+++ /dev/null
@@ -1,13 +0,0 @@
-diff --git a/src/cleanup/cleanup_message.c b/src/cleanup/cleanup_message.c
-index 391c711..be5ce42 100644
---- a/src/cleanup/cleanup_message.c
-+++ b/src/cleanup/cleanup_message.c
-@@ -773,6 +773,8 @@ static void cleanup_header_done_callback(void *context)
- 		    /* Normalize whitespace. */
- 		    token = tok822_scan_limit(state->fullname, &dummy_token,
- 					      var_token_limit);
-+		    if (!token)
-+				token = tok822_alloc(TOK822_QSTRING, state->fullname);
- 		} else {
- 		    token = tok822_alloc(TOK822_QSTRING, state->fullname);
- 		}
diff --git a/postfix-3.7.4.tar.gz b/postfix-3.7.4.tar.gz
deleted file mode 100644
index 19d42cb..0000000
Binary files a/postfix-3.7.4.tar.gz and /dev/null differ
diff --git a/postfix-3.8.1.tar.gz b/postfix-3.8.1.tar.gz
new file mode 100644
index 0000000..ceb39df
Binary files /dev/null and b/postfix-3.8.1.tar.gz differ
diff --git a/postfix.spec b/postfix.spec
index 655d367..35e0565 100644
--- a/postfix.spec
+++ b/postfix.spec
@@ -22,8 +22,8 @@
 
 Name:           postfix
 Summary:        Postfix Mail Transport Agent
-Version:        3.7.4
-Release:        2
+Version:        3.8.1
+Release:        1
 Epoch:          2
 URL:            http://www.postfix.org
 License:        (IPL-1.0 and GPLv2+) or (EPL-2.0 and GPLv2+)
@@ -44,7 +44,6 @@ Patch5:         pflogsumm-1.1.5-datecalc.patch
 Patch6:         pflogsumm-1.1.5-ipv6-warnings-fix.patch 
 Patch11:        postfix-use-lmdb-by-default-instead-of-libdb.patch
 Patch12:        postfix-set-default_data_type-to-lmdb.patch
-Patch13:        backport-postfix-3.6.2-whitespace-name-fix.patch
 
 BuildRequires:  lmdb-devel perl-generators pkgconfig zlib-devel systemd-units libicu-devel libnsl2-devel gcc m4 openldap-devel
 BuildRequires:  cyrus-sasl-devel pcre2-devel mariadb-connector-c-devel postgresql-devel sqlite-devel openssl-devel procps-ng
@@ -107,7 +106,6 @@ PostgreSQL maps with Postfix, you need this.
 
 %patch11 -p1
 %patch12 -p1
-%patch13 -p1
 
 sed -i \
 's|^\(\s*#define\s\+DEF_SHLIB_DIR\s\+\)"/usr/lib/postfix"|\1"%{_libdir}/postfix"|' \
@@ -558,6 +556,12 @@ fi
 %{postfix_doc_dir}/README_FILES/*
 
 %changelog
+* Tue Jul 25 2023 gaihuiying <eaglegai@163.com> - 2:3.8.1-1
+- Type:requirements
+- ID:NA
+- SUG:NA
+- DESC:update postfix to 3.8.1
+
 * Tue Jun 13 2023 zhouyihang <zhouyihang3@h-partners.com> - 2:3.7.4-2
 - Type:bugfix
 - ID:NA