diff --git a/dev-util/nvidia-cuda-toolkit/nvidia-cuda-toolkit-8.0.44.ebuild b/dev-util/nvidia-cuda-toolkit/nvidia-cuda-toolkit-8.0.44.ebuild
index a2b6467f6c958..45b0828f1ece8 100644
--- a/dev-util/nvidia-cuda-toolkit/nvidia-cuda-toolkit-8.0.44.ebuild
+++ b/dev-util/nvidia-cuda-toolkit/nvidia-cuda-toolkit-8.0.44.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2016 Gentoo Foundation
+# Copyright 1999-2017 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=6
@@ -18,6 +18,7 @@ IUSE="debugger doc eclipse profiler"
 DEPEND=""
 RDEPEND="${DEPEND}
 	>=sys-devel/gcc-4.7[cxx]
+	<sys-devel/gcc-6[cxx]
 	>=x11-drivers/nvidia-drivers-367.44[X,uvm]
 	debugger? (
 		sys-libs/libtermcap-compat
diff --git a/dev-util/nvidia-cuda-toolkit/nvidia-cuda-toolkit-8.0.61.ebuild b/dev-util/nvidia-cuda-toolkit/nvidia-cuda-toolkit-8.0.61.ebuild
index b37f4dcab29b8..0295aba23074e 100644
--- a/dev-util/nvidia-cuda-toolkit/nvidia-cuda-toolkit-8.0.61.ebuild
+++ b/dev-util/nvidia-cuda-toolkit/nvidia-cuda-toolkit-8.0.61.ebuild
@@ -19,6 +19,7 @@ IUSE="debugger doc eclipse profiler"
 DEPEND=""
 RDEPEND="${DEPEND}
 	>=sys-devel/gcc-4.7[cxx]
+	<sys-devel/gcc-6[cxx]
 	>=x11-drivers/nvidia-drivers-375.26[X,uvm]
 	debugger? (
 		sys-libs/libtermcap-compat