diff --git a/sci-geosciences/seawater/seawater-3.3.4.ebuild b/sci-geosciences/seawater/seawater-3.3.4.ebuild
index 530c7f6a21af5..e457b08ce07ef 100644
--- a/sci-geosciences/seawater/seawater-3.3.4.ebuild
+++ b/sci-geosciences/seawater/seawater-3.3.4.ebuild
@@ -1,9 +1,9 @@
-# Copyright 1999-2015 Gentoo Foundation
+# Copyright 1999-2017 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=5
 
-PYTHON_COMPAT=( python2_7 python3_4 )
+PYTHON_COMPAT=( python{2_7,3_4,3_5,3_6} )
 inherit distutils-r1
 
 DESCRIPTION="Python version of the SEAWATER 3.2 MATLAB toolkit for calculating the properties of sea water"