diff --git a/tests/util/test_executable_runner.py b/tests/util/test_executable_runner.py
index ea9cf77..18c19cb 100644
--- a/tests/util/test_executable_runner.py
+++ b/tests/util/test_executable_runner.py
@@ -37,13 +37,13 @@ def test_validate_executable_path(executable: str | Path) -> None:
     1. when the string "yes" is passed
     2. when the absolute path to the `yes` executable is passed, either as a string or a Path
     """
-    expected_path = Path("/usr/bin/yes")
+    expected_path: Path = Path("/usr/bin/yes")
 
     with mock.patch.dict(os.environ):
         # Clear the PATH, in case the user has a local version of `yes` elsewhere on their PATH
         os.environ.pop("PATH")
 
-        validated_path = ExecutableRunner.validate_executable_path(executable=executable)
+        validated_path: Path = ExecutableRunner.validate_executable_path(executable=executable)
         assert validated_path == expected_path