diff --git a/requirements_py3_matteo.txt b/requirements_py3_matteo.txt
index e962deb..00c0998 100644
--- a/requirements_py3_matteo.txt
+++ b/requirements_py3_matteo.txt
@@ -64,7 +64,7 @@ pickleshare==0.7.4
 pox==0.2.3
 ppft==1.6.4.7.1
 prompt-toolkit==1.0.9
-psutil==5.2.2
+psutil==5.6.6
 ptyprocess==0.5.1
 py==1.4.32
 pyes==0.99.6
diff --git a/requirements_py3_refactored.txt b/requirements_py3_refactored.txt
old mode 100755
new mode 100644
index a5d4d22..6349c3e
--- a/requirements_py3_refactored.txt
+++ b/requirements_py3_refactored.txt
@@ -91,7 +91,7 @@ pickleshare==0.7.4
 pox==0.2.3
 ppft==1.6.4.7.1
 prompt-toolkit==1.0.15
-psutil==5.2.2
+psutil==5.6.6
 ptyprocess==0.5.2
 py==1.4.32
 pyes==0.99.6