diff --git a/paludis/keywords.conf b/paludis/keywords.conf
index b2337ee..87cf6ab 100644
--- a/paludis/keywords.conf
+++ b/paludis/keywords.conf
@@ -44,6 +44,8 @@ net-libs/iojs ~amd64
 net-irc/znc ~amd64
 x11-misc/devilspie2 ~amd64
 sci-geosciences/libtcd ~amd64
+sci-geosciences/seawater ~amd64
+sci-geosciences/xtide ~amd64
 
 
 # blender