Updating hydra

diff --git a/hydra b/hydra
index 37a266c40fde7aadd4a8459219c9d3f42dedbde8..aaf8a8e2568e8d06cc15508cb15a6e8a9605ec80 160000 (submodule)
--- a/hydra
+++ b/hydra
@@ -1 +1 @@
-Subproject commit 37a266c40fde7aadd4a8459219c9d3f42dedbde8
+Subproject commit aaf8a8e2568e8d06cc15508cb15a6e8a9605ec80