Updates hydra

diff --git a/hydra b/hydra
index f48ac6329f1ffada4088184ff646136a5adfc865..8a6489b4966d6556c9cedadad140f7ab6047e4f1 160000 (submodule)
--- a/hydra
+++ b/hydra
@@ -1 +1 @@
-Subproject commit f48ac6329f1ffada4088184ff646136a5adfc865
+Subproject commit 8a6489b4966d6556c9cedadad140f7ab6047e4f1