diff --git a/blt.spec b/blt.spec
index c181bce..61533bd 100644
--- a/blt.spec
+++ b/blt.spec
@@ -5,7 +5,7 @@
 Summary: Widget extension to the Tcl/Tk scripting language
 Name: blt
 Version: 2.4
-Release: 53.z%{?dist}
+Release: 54.z%{?dist}
 
 License: MIT
 Group: Development/Libraries
@@ -25,7 +25,7 @@ Patch9: blt2.4z-tk8.6.patch
 
 
 Provides: tk-blt = %{version}-%{release}
-BuildRequires: tk-devel >= 8.4.7
+BuildRequires: tk-devel >= 8.4.7 gcc
 
 Requires: tk >= 8.4.7
 Requires: itcl
@@ -139,6 +139,9 @@ rm -rf %{buildroot}%{_mandir}/
 %{_includedir}/%{name}
 
 %changelog
+* Sun Jul 22 2018 Dmitrij S. Kryzhevich <kryzhev@ispms.ru> - 2.4-54.z
+- Add gcc to BR.
+
 * Thu Jul 12 2018 Fedora Release Engineering <releng@fedoraproject.org> - 2.4-53.z
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild