diff --git a/libkni3.spec b/libkni3.spec
index 5685fdc..23c7a67 100644
--- a/libkni3.spec
+++ b/libkni3.spec
@@ -1,6 +1,6 @@
 Name:           libkni3
 Version:        3.9.2
-Release:        38%{?dist}
+Release:        39%{?dist}
 Summary:        C++ KNI library v3 for the Katana 300 robot arm
 
 Group:          System Environment/Libraries
@@ -18,6 +18,7 @@ Patch6:         kni-3.9.2-format-security.patch
 
 %{!?_pkgdocdir: %global _pkgdocdir %{_docdir}/%{name}-%{version}}
 
+BuildRequires:  gcc, gcc-c++
 BuildRequires:  doxygen, graphviz
 %if 0%{?fedora} >= 18
 BuildRequires:  texlive-collection-latexrecommended
@@ -166,6 +167,9 @@ install -p -m 0644 libkni3.pc %{buildroot}%{_libdir}/pkgconfig
 
 
 %changelog
+* Wed Mar 07 2018 Tim Niemueller <tim@niemueller.de> - 3.9.2-39
+- BR gcc and gcc-c++
+
 * Wed Feb 07 2018 Fedora Release Engineering <releng@fedoraproject.org> - 3.9.2-38
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild