diff --git a/tests/models/test_gptorch.py b/tests/models/test_gptorch.py
index 066b13c7..c435d881 100644
--- a/tests/models/test_gptorch.py
+++ b/tests/models/test_gptorch.py
@@ -13,13 +13,13 @@
 
 @pytest.fixture
 def sample_data_y1d():
-    X, y = make_regression(n_samples=10, n_features=5, n_targets=1, random_state=0)
+    X, y = make_regression(n_samples=20, n_features=5, n_targets=1, random_state=0)
     return X, y
 
 
 @pytest.fixture
 def sample_data_y2d():
-    X, y = make_regression(n_samples=10, n_features=5, n_targets=2, random_state=0)
+    X, y = make_regression(n_samples=20, n_features=5, n_targets=2, random_state=0)
     return X, y
 
 
@@ -28,7 +28,7 @@ def test_multi_output_gpmt(sample_data_y2d):
     X, y = sample_data_y2d
     gp = GaussianProcessMT(random_state=42)
     gp.fit(X, y)
-    assert gp.predict(X).shape == (10, 2)
+    assert gp.predict(X).shape == (20, 2)
 
 
 def test_predict_with_uncertainty_gpmt(sample_data_y1d):
@@ -62,7 +62,7 @@ def test_multioutput_gp(sample_data_y2d):
     X, y = sample_data_y2d
     gp = GaussianProcess(random_state=42)
     gp.fit(X, y)
-    assert gp.predict(X).shape == (10, 2)
+    assert gp.predict(X).shape == (20, 2)
 
 
 def test_predict_with_uncertainty_gp(sample_data_y1d):