diff --git a/.tool-versions b/.tool-versions
new file mode 100644
index 0000000..61b51da
--- /dev/null
+++ b/.tool-versions
@@ -0,0 +1,2 @@
+python 3.13.2
+uv 0.6.6
diff --git a/examples/team_recommender/tests/example_9_threshold/test_measurement_is_within_threshold.py b/examples/team_recommender/tests/example_9_threshold/test_measurement_is_within_threshold.py
index 7f25eab..c0092dd 100644
--- a/examples/team_recommender/tests/example_9_threshold/test_measurement_is_within_threshold.py
+++ b/examples/team_recommender/tests/example_9_threshold/test_measurement_is_within_threshold.py
@@ -163,8 +163,8 @@ def test_metrics_within_range():
         )
         results.append(test_runner.run_once(run))
 
-    failure_threshold = 0.9
-    assert generations <= 1 or is_within_expected(
+    failure_threshold = 0.97
+    assert is_within_expected(
         failure_threshold, sum(not result for result in results), generations
     ), f"Expected {failure_threshold} to be within the confidence interval of the success rate"