diff --git a/test_runner/performance/test_lfc_prefetch.py b/test_runner/performance/test_lfc_prefetch.py
index e4c2d6ae7a..ed9624a0aa 100644
--- a/test_runner/performance/test_lfc_prefetch.py
+++ b/test_runner/performance/test_lfc_prefetch.py
@@ -11,8 +11,10 @@ from fixtures.utils import USE_LFC
 
 
 @pytest.mark.timeout(1000)
+@pytest.mark.parametrize("n_readers", [1, 2, 4, 8])
+@pytest.mark.parametrize("n_writers", [0, 1, 2, 4, 8])
 @pytest.mark.skipif(not USE_LFC, reason="LFC is disabled, skipping")
-def test_lfc_prefetch(neon_simple_env: NeonEnv):
+def test_lfc_prefetch(neon_simple_env: NeonEnv: n_readers: int, n_writers: int):
     """
     Test resizing the Local File Cache
     """
@@ -34,8 +36,6 @@ def test_lfc_prefetch(neon_simple_env: NeonEnv):
     n_records = 10000  # 80Mb table
     top_n = n_records // 4  # 20Mb - should be larger than LFC size
     test_time = 100.0  # seconds
-    n_readers = 10
-    n_writers = 2
 
     conn = endpoint.connect()
     cur = conn.cursor()