Updates hydra

diff --git a/hydra b/hydra
index 7fd68eec9d6925c868094d60eddfc4ca8d762ad2..8b9c9827522a28d197c543faca52cdb6ea238d81 160000 (submodule)
--- a/hydra
+++ b/hydra
@@ -1 +1 @@
-Subproject commit 7fd68eec9d6925c868094d60eddfc4ca8d762ad2
+Subproject commit 8b9c9827522a28d197c543faca52cdb6ea238d81