diff --git a/autoconf213.spec b/autoconf213.spec
index 34797b3f9b65da07e9d51168d4dbdb974a54ad7c..98115aaecbf3cf3525244d1fba955fa11bd5b317 100644
--- a/autoconf213.spec
+++ b/autoconf213.spec
@@ -4,7 +4,7 @@ Release:        41
 Summary:        An extensible package to automatically configure software source code packages
 License:        GPLv2+
 URL:            https://www.gnu.org/software/autoconf/
-Source0:        https://mirrors.ustc.edu.cn/gnu/%{name}/%{name}-%{version}.tar.gz#/autoconf-%{version}.tar.gz
+Source0:        https://src.fedoraproject.org/lookaside/extras/autoconf213/autoconf-2.13.tar.gz/9de56d4a161a723228220b0f425dc711/autoconf-2.13.tar.gz
 BuildArch:      noarch
 Patch0:         autoconf-2.12-race.patch
 Patch1:         autoconf-2.13-mawk.patch