Updates hydra

diff --git a/hydra b/hydra
index f8cb5c3346d1a4de1fd4d9322dd58ee56519954c..e68e397499eb27c8728d91f6d6f1d33a6b20ace1 160000 (submodule)
--- a/hydra
+++ b/hydra
@@ -1 +1 @@
-Subproject commit f8cb5c3346d1a4de1fd4d9322dd58ee56519954c
+Subproject commit e68e397499eb27c8728d91f6d6f1d33a6b20ace1