diff --git a/blockchain_datacraw/requirements.txt b/blockchain_datacraw/requirements.txt
index afaa133..21ef142 100644
--- a/blockchain_datacraw/requirements.txt
+++ b/blockchain_datacraw/requirements.txt
@@ -116,7 +116,7 @@ pkginfo==1.4.2
 pluggy==0.6.0
 ply==3.11
 prompt-toolkit==1.0.15
-psutil==5.4.5
+psutil==5.6.6
 py==1.5.3
 pycodestyle==2.4.0
 pycosat==0.6.3