Updates hydra

diff --git a/hydra b/hydra
index bfc074501871806b0e1938f5f152482ba51d4879..c39581b7054cfd755c63ed1803d31134196009d8 160000 (submodule)
--- a/hydra
+++ b/hydra
@@ -1 +1 @@
-Subproject commit bfc074501871806b0e1938f5f152482ba51d4879
+Subproject commit c39581b7054cfd755c63ed1803d31134196009d8