diff --git a/netbox/core/api/serializers_/tasks.py b/netbox/core/api/serializers_/tasks.py
index 9062c102c..3260c4dda 100644
--- a/netbox/core/api/serializers_/tasks.py
+++ b/netbox/core/api/serializers_/tasks.py
@@ -70,7 +70,7 @@ class BackgroundWorkerSerializer(serializers.Serializer):
         lookup_field='name'
     )
     state = serializers.SerializerMethodField()
-    birth_date = serializers.CharField()
+    birth_date = serializers.DateTimeField()
     queue_names = serializers.ListField(
         child=serializers.CharField()
     )