diff --git a/configs/common/pca.json b/configs/common/pca.json
index 32df40ac..3b62c01c 100644
--- a/configs/common/pca.json
+++ b/configs/common/pca.json
@@ -5,7 +5,7 @@
             "algorithm": {
                 "estimator": "PCA",
                 "estimator_params": {
-                    "n_components": 3,
+                    "n_components": 20,
                     "copy": true,
                     "whiten": false,
                     "svd_solver": "covariance_eigh",
diff --git a/configs/regular/pca.json b/configs/regular/pca.json
index 98c5c706..1e46a13e 100644
--- a/configs/regular/pca.json
+++ b/configs/regular/pca.json
@@ -6,10 +6,10 @@
                 "data": {
                     "source": "make_blobs",
                     "generation_kwargs": [
-                        { "n_samples": 40000000, "n_features": 5, "centers": 2 },
-                        { "n_samples": 10000000, "n_features": 20, "centers": 2 }
+                        { "n_samples": 5000000, "n_features": 500, "centers": 2 },
+                        { "n_samples": 500000, "n_features": 2000, "centers": 2 }
                     ],
-                    "split_kwargs": { "ignore": true }
+                    "split_kwargs": { "train_size": 0.1, "test_size": null }
                 }
             },
             {