diff --git a/tests/DataStorage/Cache/Connection/RedisCacheTest.php b/tests/DataStorage/Cache/Connection/RedisCacheTest.php
index 4a7ef799a..6cb7e751a 100644
--- a/tests/DataStorage/Cache/Connection/RedisCacheTest.php
+++ b/tests/DataStorage/Cache/Connection/RedisCacheTest.php
@@ -227,7 +227,7 @@ class RedisCacheTest extends \PHPUnit\Framework\TestCase
     {
         $this->cache->set('key2', 'testVal2', 1);
         self::assertEquals('testVal2', $this->cache->get('key2', 1));
-        \sleep(2);
+        \sleep(5);
         self::assertNull($this->cache->get('key2', 1));
     }