diff --git a/polyaxon/hpsearch/apps.py b/polyaxon/hpsearch/apps.py
index <HASH>..<HASH> 100644
--- a/polyaxon/hpsearch/apps.py
+++ b/polyaxon/hpsearch/apps.py
@@ -7,3 +7,5 @@ class HPSearchConfig(AppConfig):
 
     def ready(self):
         from hpsearch.signals import new_experiment_group_iteration  # noqa
+        import signals.experiments  # noqa
+        import signals.experiment_groups  # noqa
Subscribe hpsearch service to experiment and experiment groups signals