diff --git a/sci-electronics/pcb/pcb-20140316.ebuild b/sci-electronics/pcb/pcb-20140316.ebuild
index d47a24357903c..38197a15787d0 100644
--- a/sci-electronics/pcb/pcb-20140316.ebuild
+++ b/sci-electronics/pcb/pcb-20140316.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2015 Gentoo Foundation
+# Copyright 1999-2016 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 # $Id$
 
@@ -33,7 +33,7 @@ CDEPEND="dev-libs/glib:2
 	virtual/libintl
 	png? ( >=media-libs/gd-2.0.23[png] )
 	m4lib-png? ( >=media-libs/gd-2.0.23[png] )
-	tk? ( >=dev-lang/tk-8 )"
+	tk? ( >=dev-lang/tk-8:0 )"
 #toporouter-output? ( x11-libs/cairo )
 
 DEPEND="${CDEPEND}