diff --git a/contracts/sumtree-orderbook/src/tests/e2e/cases/test_fuzz.rs b/contracts/sumtree-orderbook/src/tests/e2e/cases/test_fuzz.rs
index 5b21aa0..8b6599d 100644
--- a/contracts/sumtree-orderbook/src/tests/e2e/cases/test_fuzz.rs
+++ b/contracts/sumtree-orderbook/src/tests/e2e/cases/test_fuzz.rs
@@ -57,7 +57,7 @@ fn test_order_fuzz_linear_large_orders_small_range() {
 
 #[test]
 fn test_order_fuzz_linear_small_orders_large_range() {
-    let oper_per_iteration = 2000;
+    let oper_per_iteration = 1000;
     run_for_duration(30, oper_per_iteration, |count| {
         run_fuzz_linear(count, (LARGE_NEGATIVE_TICK, LARGE_POSITIVE_TICK), 0.2);
     });
@@ -79,7 +79,7 @@ fn test_order_fuzz_linear_small_orders_small_range() {
 
 #[test]
 fn test_order_fuzz_linear_large_cancelled_orders_small_range() {
-    let oper_per_iteration = 2000;
+    let oper_per_iteration = 1000;
     run_for_duration(30, oper_per_iteration, |count| {
         run_fuzz_linear(count, (MIN_TICK, MIN_TICK + 20), 0.8);
     });
@@ -95,7 +95,7 @@ fn test_order_fuzz_linear_small_cancelled_orders_large_range() {
 
 #[test]
 fn test_order_fuzz_linear_large_all_cancelled_orders_small_range() {
-    let oper_per_iteration = 2000;
+    let oper_per_iteration = 1000;
     run_for_duration(30, oper_per_iteration, |count| {
         run_fuzz_linear(count, (-10, 10), 1.0);
     });
@@ -111,7 +111,7 @@ fn test_order_fuzz_linear_single_tick() {
 
 #[test]
 fn test_order_fuzz_mixed() {
-    let oper_per_iteration = 2000;
+    let oper_per_iteration = 1000;
     run_for_duration(30, oper_per_iteration, |count| {
         run_fuzz_mixed(count, (-20, 20));
     });
@@ -119,7 +119,7 @@ fn test_order_fuzz_mixed() {
 
 #[test]
 fn test_order_fuzz_mixed_single_tick() {
-    let oper_per_iteration = 2000;
+    let oper_per_iteration = 1000;
 
     run_for_duration(30, oper_per_iteration, |count| {
         run_fuzz_mixed(count, (0, 0));
@@ -128,7 +128,7 @@ fn test_order_fuzz_mixed_single_tick() {
 
 #[test]
 fn test_order_fuzz_mixed_large_negative_tick_range() {
-    let oper_per_iteration = 2000;
+    let oper_per_iteration = 1000;
 
     run_for_duration(30, oper_per_iteration, |count| {
         run_fuzz_mixed(count, (LARGE_NEGATIVE_TICK, LARGE_NEGATIVE_TICK + 10));
@@ -137,7 +137,7 @@ fn test_order_fuzz_mixed_large_negative_tick_range() {
 
 #[test]
 fn test_order_fuzz_mixed_large_positive_tick_range() {
-    let oper_per_iteration = 2000;
+    let oper_per_iteration = 1000;
 
     run_for_duration(30, oper_per_iteration, |count| {
         run_fuzz_mixed(count, (LARGE_POSITIVE_TICK - 10, LARGE_POSITIVE_TICK));
@@ -146,7 +146,7 @@ fn test_order_fuzz_mixed_large_positive_tick_range() {
 
 #[test]
 fn test_order_fuzz_mixed_min_tick() {
-    let oper_per_iteration = 2000;
+    let oper_per_iteration = 1000;
 
     run_for_duration(30, oper_per_iteration, |count| {
         run_fuzz_mixed(count, (MIN_TICK, MIN_TICK + 10));
@@ -155,7 +155,7 @@ fn test_order_fuzz_mixed_min_tick() {
 
 #[test]
 fn test_order_fuzz_large_tick_range() {
-    let oper_per_iteration = 2000;
+    let oper_per_iteration = 1000;
 
     run_for_duration(30, oper_per_iteration, |count| {
         run_fuzz_mixed(count, (MIN_TICK, LARGE_POSITIVE_TICK));