diff --git a/requirements.txt b/requirements.txt
index 9c014ae..ad9df63 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -41,7 +41,7 @@ peewee==2.10.2
 pluggy==0.6.0
 plyvel==1.0.4
 prompt-toolkit==1.0.15
-psutil==5.4.3
+psutil==5.6.6
 py==1.5.2
 pycodestyle==2.3.1
 pycparser==2.18
diff --git a/requirements_docs.txt b/requirements_docs.txt
index b8d9934..8498e3f 100644
--- a/requirements_docs.txt
+++ b/requirements_docs.txt
@@ -44,7 +44,7 @@ pbr==3.1.1
 peewee==2.10.2
 pluggy==0.6.0
 prompt-toolkit==1.0.15
-psutil==5.4.3
+psutil==5.6.6
 py==1.5.2
 pycodestyle==2.3.1
 pycparser==2.18