diff --git a/frigate/track/__init__.py b/frigate/track/__init__.py
index 421a968da..3d9e45da2 100644
--- a/frigate/track/__init__.py
+++ b/frigate/track/__init__.py
@@ -5,9 +5,9 @@ from frigate.config import DetectConfig
 
 class ObjectTracker(ABC):
     @abstractmethod
-    def __init__(self, config: DetectConfig):
+    def __init__(self, config: DetectConfig) -> None:
         pass
 
     @abstractmethod
-    def match_and_update(self, detections):
+    def match_and_update(self, frame_time: float, detections) -> None:
         pass