diff --git a/benchmarks/cb/preprocessing.py b/benchmarks/cb/preprocessing.py
index 26b767f825..99b7737ed8 100644
--- a/benchmarks/cb/preprocessing.py
+++ b/benchmarks/cb/preprocessing.py
@@ -42,8 +42,8 @@ def apply_inplace_normalizer(X):
 
 
 def run_preprocessing_benchmarks():
-    n_data_points = 20000
-    n_features = 100
+    n_data_points = 5000
+    n_features = 50
     X = ht.random.randn(n_data_points, n_features, split=0)
 
     apply_inplace_standard_scaler_and_inverse(X)