-Build-Depends: x-dev, libxau-dev, xcb-proto, cdbs, debhelper (>= 5.0.0), pkg-config, xsltproc, check, binutils (>= 2.12.90.0.9)
+Build-Depends: x11proto-core-dev, libxau-dev, xcb-proto, cdbs, debhelper (>= 5.0.0), pkg-config, xsltproc, check, binutils (>= 2.12.90.0.9)