diff --git a/lensfun.spec b/lensfun.spec
index 2daca4d..89abb82 100644
--- a/lensfun.spec
+++ b/lensfun.spec
@@ -10,7 +10,7 @@ Source0: http://downloads.sourceforge.net/project/lensfun.berlios/lensfun-%{vers
 
 ## upstreamable patches
 
-BuildRequires: cmake
+BuildRequires: cmake >= 2.8
 BuildRequires: doxygen
 BuildRequires: pkgconfig(glib-2.0) 
 BuildRequires: pkgconfig(libpng)