diff --git a/src/test/java/ConcurrentCurrencyExchangeTest.java b/src/test/java/ConcurrentCurrencyExchangeTest.java
index fe0bb91..1d8f00f 100644
--- a/src/test/java/ConcurrentCurrencyExchangeTest.java
+++ b/src/test/java/ConcurrentCurrencyExchangeTest.java
@@ -31,7 +31,7 @@ public abstract class ConcurrentCurrencyExchangeTest {
 
         exchange = createExchange(Set.of(RUB_CNY));
 
-        executorService = Executors.newFixedThreadPool(10);
+        executorService = Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors());
     }
 
     @Test