Updates hydra

diff --git a/hydra b/hydra
index 0853982af3dfdbed0f9a4e5cb70abd5fae9c770d..b8a46f3f81ce9b49832c941ff3ac1eff24fa6560 160000 (submodule)
--- a/hydra
+++ b/hydra
@@ -1 +1 @@
-Subproject commit 0853982af3dfdbed0f9a4e5cb70abd5fae9c770d
+Subproject commit b8a46f3f81ce9b49832c941ff3ac1eff24fa6560