Updates hydra

diff --git a/hydra b/hydra
index df8037b249f777706b2986674de56f21575feba3..8ffb3a08ac045a639c961f0caf7229f5dbbb0e70 160000 (submodule)
--- a/hydra
+++ b/hydra
@@ -1 +1 @@
-Subproject commit df8037b249f777706b2986674de56f21575feba3
+Subproject commit 8ffb3a08ac045a639c961f0caf7229f5dbbb0e70