Updates hydra

diff --git a/hydra b/hydra
index 508c51b497546827eb26557ea1fb608129db1d29..4f18b095360a9e42145535f79fc0b1eabbd0efed 160000 (submodule)
--- a/hydra
+++ b/hydra
@@ -1 +1 @@
-Subproject commit 508c51b497546827eb26557ea1fb608129db1d29
+Subproject commit 4f18b095360a9e42145535f79fc0b1eabbd0efed