Updates hydra

diff --git a/hydra b/hydra
index 2bd9d5bbf6a41d4d47cd52d9ee9471a906b3849b..a7ca30e854f845f670c852a2edd5ef13656c774f 160000 (submodule)
--- a/hydra
+++ b/hydra
@@ -1 +1 @@
-Subproject commit 2bd9d5bbf6a41d4d47cd52d9ee9471a906b3849b
+Subproject commit a7ca30e854f845f670c852a2edd5ef13656c774f