diff --git a/buildman/component/buildcomponent.py b/buildman/component/buildcomponent.py
index f7e2ff253..dc66dcfa1 100644
--- a/buildman/component/buildcomponent.py
+++ b/buildman/component/buildcomponent.py
@@ -19,7 +19,7 @@ HEARTBEAT_DELTA = datetime.timedelta(seconds=30)
 HEARTBEAT_TIMEOUT = 10
 INITIAL_TIMEOUT = 25
 
-SUPPORTED_WORKER_VERSIONS = ['0.2']
+SUPPORTED_WORKER_VERSIONS = ['0.2', '0.3']
 
 logger = logging.getLogger(__name__)