diff --git a/Readme.md b/Readme.md
index b47161f..af435dd 100644
--- a/Readme.md
+++ b/Readme.md
@@ -76,6 +76,7 @@ Before package's installation, please install its' dependencies.
 # install pip installer for python3
 sudo apt install python3-pip -y
 sudo pip3 install --upgrade pip
+sudo pip3 install pyopenssl --upgrade
 
 # install docker
 sudo apt install docker.io -y