diff --git a/tests/lc2st_test.py b/tests/lc2st_test.py
index abe51c8f6..e1e445bac 100644
--- a/tests/lc2st_test.py
+++ b/tests/lc2st_test.py
@@ -197,7 +197,7 @@ def test_lc2st_false_positiv_rate(method):
 
     # use big num_train and num_epochs to obtain "good" estimator
     # (convergence of the estimator)
-    num_train = 1_000
+    num_train = 5_000
     num_epochs = 200
 
     num_cal = 1_000