diff --git a/backport-migrate-to-SPDX-license-format.patch b/backport-migrate-to-SPDX-license-format.patch
new file mode 100644
index 0000000..9ad82bc
--- /dev/null
+++ b/backport-migrate-to-SPDX-license-format.patch
@@ -0,0 +1,27 @@
+From aad1d50e6c3f9eea5719fae0abf042297f02cbc0 Mon Sep 17 00:00:00 2001
+From: lizhuo <lizhuo@xfusion.com>
+Date: Fri, 18 Apr 2025 16:22:42 +0800
+Subject: [PATCH] migrate-to-SPDX-license-format
+
+---
+ make-srpm.sh | 5 ++++-
+ 1 file changed, 4 insertions(+), 1 deletion(-)
+
+diff --git a/make-srpm.sh b/make-srpm.sh
+index 760f8e5..7d35f6f 100755
+--- a/make-srpm.sh
++++ b/make-srpm.sh
+@@ -91,7 +91,10 @@ Version:    $VER
+ Release:    1%{?dist}
+ Summary:    PEM file reader for Network Security Services (NSS)
+
+-License:    MPLv1.1
++# See README for details
++# list.h - GPL-2.0-only
++# *      - MPL-1.1 OR GPL-2.0-or-later OR LGPL-2.1-or-later
++License:    GPL-2.0-only AND (MPL-1.1 OR GPL-2.0-or-later OR LGPL-2.1-or-later)
+ URL:        https://github.com/kdudka/nss-pem
+ Source0:    https://github.com/kdudka/nss-pem/releases/download/$NV/$SRC
+
+--
+2.33.0
\ No newline at end of file
diff --git a/nss-pem.spec b/nss-pem.spec
index 718b5bf..e1cc993 100644
--- a/nss-pem.spec
+++ b/nss-pem.spec
@@ -1,11 +1,13 @@
 Name:       	nss-pem
 Version:    	1.1.0
-Release:    	1
+Release:    	2
 Summary:    	PEM file reader for Network Security Services (NSS)
 License:    	MPLv1.1
 URL:        	https://github.com/kdudka/nss-pem
 Source0:    	https://github.com/kdudka/nss-pem/releases/download/%{name}-%{version}/%{name}-%{version}.tar.xz
 
+Patch0001:      backport-migrate-to-SPDX-license-format.patch
+
 BuildRequires: 	cmake gcc nss-pkcs11-devel
 Requires: 	nss%{?_isa} >= %(nss-config --version 2>/dev/null || echo 0)
 Conflicts: 	nss%{?_isa} < 3.24.0-3%{?dist}
@@ -41,6 +43,9 @@ popd
 %license COPYING.{GPL,MPL}
 
 %changelog
+* Fri Apr 18 2025 lizhuo <lizhuo@xfusion.com> - 1.1.0-2
+- migrate to SPDX license format
+
 * Fri Jul 14 2023 niuyaru <niuyaru@kylinos.cn> - 1.1.0-1
 - update version to 1.1.0