diff --git a/src/sled/system/thread_pool_test.cc b/src/sled/system/thread_pool_test.cc
index 1a51507..24985be 100644
--- a/src/sled/system/thread_pool_test.cc
+++ b/src/sled/system/thread_pool_test.cc
@@ -60,10 +60,10 @@ TEST_SUITE("ThreadPool")
         delete tp;
     }
 
-    TEST_CASE("10^6 task test")
+    TEST_CASE("10^5 task test")
     {
         sled::ThreadPool *tp = new sled::ThreadPool();
-        const int task_num   = 1E4;
+        const int task_num   = 1E5;
         sled::WaitGroup wg(task_num);
         for (int i = 0; i < task_num; i++) {
             tp->PostTask([wg] { wg.Done(); });