diff --git a/requirements.txt b/requirements.txt
index 716ec0e..7fb8663 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -66,7 +66,7 @@ plac==0.9.6
 preshed==2.0.1
 prometheus-client==0.6.0
 prompt-toolkit==2.0.9
-psutil==5.6.2
+psutil==5.6.6
 ptyprocess==0.6.0
 pycparser==2.19
 Pygments==2.4.2