diff --git a/tk.spec b/tk.spec
index fddc767..16ae808 100644
--- a/tk.spec
+++ b/tk.spec
@@ -3,13 +3,14 @@
 
 Name:          tk
 Version:       8.6.10
-Release:       1
+Release:       2
 Summary:       The graphical toolkit for the Tcl scripting language
 Epoch:         1
 License:       TCL
 URL:           http://tcl.sourceforge.net
 Source0:       http://download.sourceforge.net/sourceforge/tcl/%{name}%{version}-src.tar.gz
 Requires:      tcl = %{epoch}:%{version} glibc
+BuildRequires: gcc
 BuildRequires: tcl-devel = %{epoch}:%{version} autoconf libX11-devel libXft-devel
 
 Conflicts:     itcl <= 3.2
@@ -102,6 +103,9 @@ sed -i -e "s|$PWD/unix|%{_libdir}|; s|$PWD|%{_includedir}/%{name}-private|" %{bu
 %{_mandir}/mann/*
 
 %changelog
+* Thu May 27 2021 liuyumeng<liuyumeng5@huawei.com> - 1:8.6.10-2
+- Add a BuildRequires for gcc
+
 * Thu Jul 30 2020 chengguipeng<chengguipeng1@huawei.com> - 1:8.6.10-1
 - Upgrade to 1:8.6.10-1