diff --git a/test_runner/regress/test_compatibility.py b/test_runner/regress/test_compatibility.py
index 2230bdc666..e23b1e0bca 100644
--- a/test_runner/regress/test_compatibility.py
+++ b/test_runner/regress/test_compatibility.py
@@ -148,9 +148,9 @@ def test_create_snapshot(
     env = neon_env_builder.init_start(
         initial_tenant_conf={
             # Miniature layers to enable generating non-trivial layer map without writing lots of data.
-            "checkpoint_distance": f"{128 * 1024}",
-            "compaction_threshold": "1",
-            "compaction_target_size": f"{128 * 1024}",
+            "checkpoint_distance": f"{256 * 1024}",
+            "compaction_threshold": "5",
+            "compaction_target_size": f"{256 * 1024}",
         }
     )
     endpoint = env.endpoints.create_start("main")