diff --git a/shapeflow/__init__.py b/shapeflow/__init__.py
index 83b41701..46773dc6 100644
--- a/shapeflow/__init__.py
+++ b/shapeflow/__init__.py
@@ -30,7 +30,7 @@
 import diskcache
 
 
-__version__: str = '0.4.3'
+__version__: str = '0.4.4'
 """Library version
 """
 
diff --git a/shapeflow/config.py b/shapeflow/config.py
index 60df5283..e6730e6f 100644
--- a/shapeflow/config.py
+++ b/shapeflow/config.py
@@ -479,6 +479,13 @@ def normalizing_to(version):
             # rename parameters -> feature_parameters
             if 'parameters' in d:
                 d['feature_parameters'] = d.pop('parameters')
+        if before_version(d[VERSION], '0.4.4'):
+            normalizing_to('0.4.4')
+            # move video_path & design_path to video.path & design.path
+            if 'video_path' in d:
+                d['video'] = {'path': d.pop('video_path')}
+            if 'design_path' in d:
+                d['design'] = {'path': d.pop('design_path')}
 
     else:
         raise NotImplementedError
diff --git a/shapeflow/core/backend.py b/shapeflow/core/backend.py
index 2d13cf63..05ab2396 100644
--- a/shapeflow/core/backend.py
+++ b/shapeflow/core/backend.py
@@ -11,7 +11,7 @@
 import numpy as np
 import pandas as pd
 
-from pydantic import Field
+from pydantic import Field, FilePath
 
 from shapeflow import settings, get_logger, get_cache
 from shapeflow.api import api
@@ -486,14 +486,20 @@ def __modify_schema__(cls, field_schema):
         )
 
 
+class FileConfig(BaseConfig):
+    path: Optional[FilePath] = Field(default=None)
+    hash: Optional[FilePath] = Field(default=None)
+
+
 class BaseAnalyzerConfig(BaseConfig):
     """Abstract analyzer configuration.
     """
-    video_path: Optional[str] = Field(default=None)
-    design_path: Optional[str] = Field(default=None)
     name: Optional[str] = Field(default=None)
     description: Optional[str] = Field(default=None)
 
+    video: FileConfig = Field(default_factory=FileConfig)
+    design: FileConfig = Field(default_factory=FileConfig)
+
 
 class BaseAnalyzer(Instance, RootInstance):
     """Abstract analyzer.