diff --git a/mesa.spec b/mesa.spec
index d713658..d5dc101 100644
--- a/mesa.spec
+++ b/mesa.spec
@@ -31,7 +31,7 @@
 
 Summary:	OpenGL-compatible 3D graphics library
 Name:		mesa
-Version:	18.0.5
+Version:	18.1.5
 Release:	1
 License:	MIT
 Group:		System/Libraries
@@ -92,7 +92,6 @@ BuildRequires:	pkgconfig(xcb-present)
 BuildRequires:	libselinux-devel
 %endif
 %if %{with vulkan}
-BuildRequires:	vulkan-devel
 # for SHA1 implementation from libnettle:
 BuildRequires:	pkgconfig(nettle)
 # [NB] Why not libcrypto & openssl? That is why: