diff --git a/libteam-1.30.tar.gz b/libteam-1.30.tar.gz
deleted file mode 100644
index edb7a2505f9e1227f26caf68e03d101cc546f66d..0000000000000000000000000000000000000000
Binary files a/libteam-1.30.tar.gz and /dev/null differ
diff --git a/libteam-1.31.tar.gz b/libteam-1.31.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..80cb865eb54ffb0fb492e22268bd2055a5c857ff
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diff --git a/libteam.spec b/libteam.spec
index f6b6e65a57ed8a24b87272ae15f00366c8434da8..73fd397194d5fda619746932fde85db49f44dec9 100644
--- a/libteam.spec
+++ b/libteam.spec
@@ -1,6 +1,6 @@
 Name: 		libteam
-Version: 	1.30
-Release: 	2
+Version: 	1.31
+Release: 	1
 Summary: 	User-space counterpart library for team network
 License: 	LGPLv2+
 URL: 		http://www.libteam.org
@@ -113,6 +113,9 @@ install -p -m 755 utils/bond2team $RPM_BUILD_ROOT%{_bindir}/bond2team
 %{_mandir}/man8/teamnl.8*
 
 %changelog
+* Thu Jan 21 2021 wangchen <wangchen137@huawei.com> - 1.31-1
+- Update to 1.31
+
 * Thu Oct 29 2020 wangchen <wangchen137@huawei.com> - 1.30-2
 - Remove python2