diff --git a/requirements.txt b/requirements.txt
index b9abc2c..072dd43 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -76,7 +76,7 @@ Pillow==4.0.0
 plainbox==0.25
 polib==1.0.8
 proselint==0.7.0
-psutil==5.0.1
+psutil==5.6.6
 ptyprocess==0.5.1
 pyasn1==0.1.9
 pycodestyle==2.3.1