diff --git a/pyproject.toml b/pyproject.toml
index eb4d5cd..aab977c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "translator_testing_model"
-version = "0.4.0"
+version = "0.4.1"
 description = "This is the project description."
 authors = ["Sierra Moxon <sierra.taylor@gmail.com>", "Richard Bruskiewich <richard.bruskiewich@delphinai.com>"]
 license = "MIT"
diff --git a/src/translator_testing_model/datamodel/pydanticmodel.py b/src/translator_testing_model/datamodel/pydanticmodel.py
index 7f0e8a3..85d1ad8 100644
--- a/src/translator_testing_model/datamodel/pydanticmodel.py
+++ b/src/translator_testing_model/datamodel/pydanticmodel.py
@@ -313,6 +313,7 @@ class PathfinderTestAsset(TestEntity):
     target_input_category: Optional[str] = Field(None)
     predicate_id: Optional[str] = Field(None)
     predicate_name: Optional[str] = Field(None)
+    minimum_required_path_nodes: Optional[int] = Field(None, description="The number of nodes required in a path to pass this test.")
     path_nodes: Optional[List[PathfinderPathNode]] = Field(None)
     association: Optional[str] = Field(None, description="""Specific Biolink Model association 'category' which applies to the test asset defined knowledge statement""")
     qualifiers: Optional[List[Qualifier]] = Field(default_factory=list, description="""Optional qualifiers which constrain to the test asset defined knowledge statement. Note that this field records such qualifier slots and values as tag=value pairs, where the tag is the Biolink Model qualifier slot named and the value is an acceptable (Biolink Model enum?) value of the said qualifier slot.""")