diff --git a/osx_requirements.txt b/osx_requirements.txt
index 2380dc2..ca89837 100644
--- a/osx_requirements.txt
+++ b/osx_requirements.txt
@@ -4,7 +4,7 @@ dpkt==1.9.2
 hexdump
 mock
 nose
-psutil==5.6.1
+psutil==5.6.6
 scapy==2.4.2
 six==1.12.0
 twitter.common.log==0.3.11
diff --git a/requirements.txt b/requirements.txt
index 88d6c8a..3665d6a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ dpkt==1.9.2
 hexdump
 mock
 nose
-psutil==5.6.1
+psutil==5.6.6
 scapy==2.4.2
 six==1.12.0
 tabulate
diff --git a/setup.py b/setup.py
index 28a707d..4d8a654 100644
--- a/setup.py
+++ b/setup.py
@@ -67,7 +67,7 @@ def get_version():
           'ansicolors',
           'dpkt==1.9.2',
           'hexdump',
-          'psutil==5.6.1',
+          'psutil==5.6.6',
           'scapy==2.4.2',
           'six==1.12.0',
           'tabulate',
@@ -82,7 +82,7 @@ def get_version():
           'dpkt==1.9.2',
           'mock',
           'nose',
-          'psutil==5.6.1',
+          'psutil==5.6.6',
           'scapy==2.4.2',
           'six==1.12.0',
           'twitter.common.log',