diff --git a/src/pyeval/_core.py b/src/pyeval/_core.py
index 8f78cab..c878693 100644
--- a/src/pyeval/_core.py
+++ b/src/pyeval/_core.py
@@ -202,7 +202,7 @@ def eval_uppercase(case: Case) -> None:
             result.evaluate(EqualsExpected())
     """
     if len(args) == 1 and isinstance(args[0], (str, Path)):
-        cases: tuple[Case, ...] = tuple(Dataset.from_file(args[0]).cases)
+        cases: tuple[Case, ...] = tuple(Dataset[Any, Any, Any].from_file(args[0]).cases)
     else:
         cases = args  # type: ignore[assignment]