diff --git a/assimp.spec b/assimp.spec
index 5c44972e1d29aca4f0847f539cadf21d0b569752..59a403556f443a8268618a820d51bbb63bc2ae1c 100644
--- a/assimp.spec
+++ b/assimp.spec
@@ -1,8 +1,8 @@
 Name:          assimp
 Version:       3.3.1
-Release:       22
+Release:       23
 Summary:       Library to load and process various 3D model formats into applications.
-License:       BSD and MIT and LGPL-2.1 and LGPL-2.0 and GPL-2.0 and LGPL-3.0 and GPL-3.0
+License:       BSD-3-Clause and MIT and LGPL-2.1-only and LGPL-2.0-only and GPL-2.0-only and LGPL-3.0-only and GPL-3.0-only
 URL:           http://www.assimp.org/
 Source0:       https://github.com/assimp/assimp/archive/v3.3.1.tar.gz
 Patch0001:     assimp-3.3.1-unbundle.patch
@@ -100,6 +100,9 @@ install -m 0644 port/PyAssimp/pyassimp/*.py %{buildroot}%{python3_sitelib}/pyass
 %{python3_sitelib}/pyassimp
 
 %changelog
+* Tue May 10 2022 chenchen <chen_aka_jan@163.com> - 3.3.1-23
+- License compliance rectification
+
 * Mon Jan 4 2021 Ge Wang <wangge20@huawei.com> - 3.3.1-22
 - Modify homepage url and license infomation