diff --git a/requirements.txt b/requirements.txt
index a33d1bf..1cb4a88 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,7 +16,7 @@ nltk==3.4
 numpy==1.15.4
 pandas==0.23.3
 pkg-resources==0.0.0
-psutil==5.6.3
+psutil==5.6.6
 pycparser==2.19
 pygit2==0.28.2
 pyparsing==2.4.1