diff --git a/cylindrix.spec b/cylindrix.spec
index 60b5caa..e49273c 100644
--- a/cylindrix.spec
+++ b/cylindrix.spec
@@ -1,6 +1,6 @@
 Name: cylindrix
 Version:  1.0
-Release: 45%{?dist}
+Release: 47%{?dist}
 Summary: A 3 degrees of freedom combat game
 
 License: LGPL-2.0-only        
@@ -48,7 +48,7 @@ is worth a try.
 %build
 
 %configure
-make CFLAGS="$RPM_OPT_FLAGS -Wno-pointer-sign -fcommon" LIBS="-lm"
+make CFLAGS="$RPM_OPT_FLAGS -Wno-pointer-sign -fcommon -std=gnu17" LIBS="-lm"
 
 %install
 mkdir -p %{buildroot}%{_bindir}
@@ -90,6 +90,12 @@ install -p -m 644 %{SOURCE2} \
 
 
 %changelog
+* Wed Jul 23 2025 Fedora Release Engineering <releng@fedoraproject.org> - 1.0-47
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_43_Mass_Rebuild
+
+* Thu Jan 16 2025 Fedora Release Engineering <releng@fedoraproject.org> - 1.0-46
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild
+
 * Wed Jul 17 2024 Fedora Release Engineering <releng@fedoraproject.org> - 1.0-45
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild