diff --git a/vulkan-headers.spec b/vulkan-headers.spec
index d5c6e92..efe06a8 100644
--- a/vulkan-headers.spec
+++ b/vulkan-headers.spec
@@ -26,13 +26,14 @@ Group:          Development/Libraries/C and C++
 Url:            http://www.khronos.org/
 Source:         Vulkan-Headers-%version.tar.xz
 BuildRequires:  cmake >= 2.8.11
+BuildArch:      noarch
 Requires:       glibc-devel
 Requires:       libstdc++-devel
 Requires:       pkgconfig(wayland-client)
 Requires:       pkgconfig(x11)
 Requires:       pkgconfig(xcb)
 Requires:       pkgconfig(xrandr)
-BuildArch:      noarch
+Conflicts:      vulkan-devel < 1.1.91
 
 %description
 Vulkan is a 3D graphics and compute API providing cross-platform