diff --git a/graphics/gdtclft/Makefile.orig b/graphics/gdtclft/Makefile
index 67129fb..56ad2e9 100644
--- a/graphics/gdtclft/Makefile.orig
+++ b/graphics/gdtclft/Makefile
@@ -18,7 +18,7 @@ COMMENT=	A TCL interface to the Thomas Boutell's Gd library
 LIB_DEPENDS=	tcl${TCL_DVER}.1:${PORTSDIR}/lang/tcl${TCL_DVER} \
 		gd:${PORTSDIR}/graphics/gd
 
-TCL_VER?=	8.4
+TCL_VER?=	8.6
 TCL_DVER=	${TCL_VER:S/.//}
 
 MAKEFILE=	${FILESDIR}/Makefile.bsd