diff --git a/spiffworkflow-backend/pyproject.toml b/spiffworkflow-backend/pyproject.toml
index 77b4533aa..103de8c88 100644
--- a/spiffworkflow-backend/pyproject.toml
+++ b/spiffworkflow-backend/pyproject.toml
@@ -127,7 +127,9 @@ filterwarnings = [
     "ignore:'_request_ctx_stack' is deprecated and will be removed in Flask 2.3",
     "ignore:Setting 'json_encoder' on the app or a blueprint is deprecated and will be removed in Flask 2.3",
     "ignore:'JSONEncoder' is deprecated and will be removed in Flask 2.3",
-    "ignore:'app.json_encoder' is deprecated and will be removed in Flask 2.3"
+    "ignore:'app.json_encoder' is deprecated and will be removed in Flask 2.3",
+    # SpiffWorkflow/bpmn/PythonScriptEngineEnvironment.py
+    'ignore:The usage of Box has been deprecated'
 ]
 
 [tool.coverage.paths]
diff --git a/spiffworkflow-backend/src/spiffworkflow_backend/models/bpmn_process.py b/spiffworkflow-backend/src/spiffworkflow_backend/models/bpmn_process.py
index 8e5fa700f..24ccbe286 100644
--- a/spiffworkflow-backend/src/spiffworkflow_backend/models/bpmn_process.py
+++ b/spiffworkflow-backend/src/spiffworkflow_backend/models/bpmn_process.py
@@ -29,7 +29,7 @@ class BpmnProcessModel(SpiffworkflowBaseDBModel):
     properties_json: dict = db.Column(db.JSON, nullable=False)
     json_data_hash: str = db.Column(db.String(255), nullable=False, index=True)
 
-    tasks = relationship("TaskModel", cascade="delete")  # type: ignore
+    tasks = relationship("TaskModel", back_populates="bpmn_process", cascade="delete")  # type: ignore
 
     # subprocess or top_level_process
     # process_type: str = db.Column(db.String(30), nullable=False)
diff --git a/spiffworkflow-backend/src/spiffworkflow_backend/models/human_task_user.py b/spiffworkflow-backend/src/spiffworkflow_backend/models/human_task_user.py
index b2219bf43..1d3e4770e 100644
--- a/spiffworkflow-backend/src/spiffworkflow_backend/models/human_task_user.py
+++ b/spiffworkflow-backend/src/spiffworkflow_backend/models/human_task_user.py
@@ -30,4 +30,4 @@ class HumanTaskUserModel(SpiffworkflowBaseDBModel):
     human_task_id = db.Column(ForeignKey(HumanTaskModel.id), nullable=False, index=True)  # type: ignore
     user_id = db.Column(ForeignKey(UserModel.id), nullable=False, index=True)  # type: ignore
 
-    human_task = relationship(HumanTaskModel)
+    human_task = relationship(HumanTaskModel, back_populates="human_task_users")
diff --git a/spiffworkflow-backend/src/spiffworkflow_backend/models/task.py b/spiffworkflow-backend/src/spiffworkflow_backend/models/task.py
index 959477236..980580716 100644
--- a/spiffworkflow-backend/src/spiffworkflow_backend/models/task.py
+++ b/spiffworkflow-backend/src/spiffworkflow_backend/models/task.py
@@ -50,7 +50,7 @@ class TaskModel(SpiffworkflowBaseDBModel):
     id: int = db.Column(db.Integer, primary_key=True)
     guid: str = db.Column(db.String(36), nullable=False, unique=True, index=True)
     bpmn_process_id: int = db.Column(ForeignKey(BpmnProcessModel.id), nullable=False)  # type: ignore
-    bpmn_process = relationship(BpmnProcessModel)
+    bpmn_process = relationship(BpmnProcessModel, back_populates="tasks")
     process_instance_id: int = db.Column(ForeignKey("process_instance.id"), nullable=False)
 
     # find this by looking up the "workflow_name" and "task_spec" from the properties_json