diff --git a/tk.spec b/tk.spec
index 42c4feea4bc3c09542a51569ec799c9726c2f344..9b810a6592b4c044c7ad06317e4879d772cb5c11 100644
--- a/tk.spec
+++ b/tk.spec
@@ -3,7 +3,7 @@
 
 Name:          tk
 Version:       8.6.8
-Release:       4
+Release:       5
 Summary:       The graphical toolkit for the Tcl scripting language
 Epoch:         1
 License:       TCL
@@ -113,6 +113,9 @@ sed -i -e "s|$PWD/unix|%{_libdir}|; s|$PWD|%{_includedir}/%{name}-private|" %{bu
 %{_mandir}/mann/*
 
 %changelog
+* Tue Aug 18 2020 smileknife<jackshan2010@aliyun.com> - 1:8.6.8-5
+- update release for rebuilding
+
 * Mon Jan 13 2020 zhangrui <zhangrui182@huawei.com> - 1:8.6.8-4
 - del patches to be consistent with open source