diff --git a/property_tests/tests/stable_b_tree_map/test/test.ts b/property_tests/tests/stable_b_tree_map/test/test.ts
index 6bbc5ab7df..97788dfc26 100644
--- a/property_tests/tests/stable_b_tree_map/test/test.ts
+++ b/property_tests/tests/stable_b_tree_map/test/test.ts
@@ -66,7 +66,7 @@ const StableBTreeMapTestArb = fc
         }),
         {
             minLength: 20,
-            maxLength: 100
+            maxLength: 50
         }
     )
     .map((canisterConfigs) => {