diff --git a/paludis/keywords.conf.d/testing.conf b/paludis/keywords.conf.d/testing.conf
index c0a563e..dae6fed 100644
--- a/paludis/keywords.conf.d/testing.conf
+++ b/paludis/keywords.conf.d/testing.conf
@@ -107,3 +107,4 @@ dev-python/cffi ~amd64
 dev-python/python-sipsimple ~amd64
 x11-misc/x11vnc ~amd64
 net-libs/libvncserver ~amd64
+net-libs/mbedtls ~amd64