diff --git a/lwip-2.1.2.zip b/lwip-2.1.2.zip
deleted file mode 100644
index d728ab590c215283e429dc108fb47654dfc0c4a4..0000000000000000000000000000000000000000
Binary files a/lwip-2.1.2.zip and /dev/null differ
diff --git a/lwip-2.1.3.tar.gz b/lwip-2.1.3.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..07ccd3b49ea518ede770169d0278be2c3f143ba4
Binary files /dev/null and b/lwip-2.1.3.tar.gz differ
diff --git a/lwip.spec b/lwip.spec
index 3904f22a05bc297d1b90bc07ea87710832e45999..4dc1e298fbd74c373d071c8e3f7075ae368c3738 100644
--- a/lwip.spec
+++ b/lwip.spec
@@ -3,11 +3,11 @@
 
 Summary: lwip is a small independent implementation of the TCP/IP protocol suite
 Name:    lwip
-Version: 2.1.2
+Version: 2.1.3
 Release: 1
 License: BSD
 URL:     http://savannah.nongnu.org/projects/lwip/
-Source0: http://download.savannah.nongnu.org/releases/lwip/%{name}-%{version}.zip
+Source0: http://download.savannah.nongnu.org/releases/lwip/%{name}-%{version}.tar.gz
 
 Patch0:  0001-add-makefile.patch
 
@@ -40,6 +40,12 @@ cd %{_builddir}/%{name}-%{version}/src
 %{_libdir}/liblwip.a
 
 %changelog
+* Fri Nov 26 2020 jiangheng<jiangheng12@huawei.com> - 2.1.3-1
+- update to 2.1.3
+
+* Mon Sep 06 2020 jiangheng<jiangheng12@huawei.com> - 2.1.2-2
+- backport some patches from community
+
 * Mon Nov 30 2020 peanut_huang<huangliming5@huawei.com> - 2.1.2-1
 - remove README