Updates hydra, keyringer

diff --git a/hydra b/hydra
index 17487c2cb97c3a4c4a945dfe813d86bc111866b7..536c33213619751b41519049ac2d12a29ab553ff 160000 (submodule)
--- a/hydra
+++ b/hydra
@@ -1 +1 @@
-Subproject commit 17487c2cb97c3a4c4a945dfe813d86bc111866b7
+Subproject commit 536c33213619751b41519049ac2d12a29ab553ff

diff --git a/keyringer b/keyringer
index f702a0a5edc84cd3a0002c1622db803212f8a5d1..18d90207bf78a8763f112ab7da9d560f0454a8a6 160000 (submodule)
--- a/keyringer
+++ b/keyringer
@@ -1 +1 @@
-Subproject commit f702a0a5edc84cd3a0002c1622db803212f8a5d1
+Subproject commit 18d90207bf78a8763f112ab7da9d560f0454a8a6