diff --git a/requirements_for_test.txt b/requirements_for_test.txt
index 659db7d11..b3196465e 100644
--- a/requirements_for_test.txt
+++ b/requirements_for_test.txt
@@ -2,7 +2,7 @@
 pytest==3.3.1
 pytest-mock==1.6.3
 pytest-cov==2.5.1
-pytest-xdist==1.20.1
+pytest-xdist==1.21.0
 coveralls==1.2.0
 httpretty==0.8.14
 beautifulsoup4==4.6.0