diff --git a/requirements.txt b/requirements.txt
index 651a574b7f..f8acace115 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ asteval==0.9.1
 coverage==3.7.1
 mock==1.0.1
 ordereddict==1.1
-psutil==1.0.1
+psutil==5.6.6
 pytest==3.0.7
 pytest-cov==2.5.0
 pytest-xdist==1.16.0