diff --git a/case_example_mapping/dict_to_case.py b/case_example_mapping/dict_to_case.py
index 35ffe0b..ffc851d 100644
--- a/case_example_mapping/dict_to_case.py
+++ b/case_example_mapping/dict_to_case.py
@@ -1,5 +1,6 @@
 import json
 import sys
+from typing import Any
 
 
 def main() -> None:
@@ -9,7 +10,7 @@ def main() -> None:
     """
 
     # Initialize the basic CASE graph that will have the files appended
-    case: dict = {
+    case: dict[str, Any] = {
         "@context": {
             "case-investigation": "https://ontology.caseontology.org/case/investigation/",
             "kb": "http://example.org/kb/",
diff --git a/tests/case_output_test.py b/tests/case_output_test.py
index 4735790..8561d09 100644
--- a/tests/case_output_test.py
+++ b/tests/case_output_test.py
@@ -3,6 +3,7 @@
 from typing import Set
 
 from rdflib import Graph, URIRef
+from rdflib.query import ResultRow
 
 
 class CASEOutputTests(unittest.TestCase):
@@ -11,7 +12,7 @@ def test_graphs_exist(self) -> None:
         Identifies all CASE graph files within the ./output directory and ensures there
         are at least two.
         """
-        files: list = []
+        files: list[str] = []
         source_directory: str = "./output"
         for file in os.listdir(source_directory):
             if file.endswith(".json") or file.endswith(".jsonld"):
@@ -68,6 +69,8 @@ def test_organization_iri_found(self) -> None:
             g: Graph = Graph()
             g.parse(os.path.join(source_directory, file))
             for result in g.query(query):
+                assert isinstance(result, ResultRow)
+                assert isinstance(result[0], URIRef)
                 # Graph.query for a SELECT query returns a tuple, with
                 # member count as long as the number of bound variables.
                 computed.add(result[0])