diff --git a/requirements.txt b/requirements.txt
index 646a9f1..eea7a28 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ kombu==3.0.35
 lazy-object-proxy==1.2.2
 MarkupSafe==0.23
 packaging==16.8
-psutil==4.3.1
+psutil==5.6.6
 pydocstyle==1.0.0
 Pygments==2.1.3
 pyparsing==2.1.10