diff --git a/README.md b/README.md
index d1256a7..3dd663c 100644
--- a/README.md
+++ b/README.md
@@ -17,6 +17,7 @@ ____
 > * privileged rights
 > * [Python 3](https://www.python.org/downloads/) (tested version 3.9.5 on [Debian GNU/Linux 11](http://ftp.debian.org/debian/dists/bullseye/))
 > * [cryptography](https://cryptography.io/) Python 3 module (tested version 41.0.1)
+> * [requests](https://requests.readthedocs.io/) Python 3 module (tested version 2.31.0)
 > * Existing `status`, `server`, `ca`, `cert` options in [server.conf](https://openvpn.net/community-resources/reference-manual-for-openvpn-2-5/#options)
 
 | PARAMETERS   |       DESCRIPTION      |    DEFAULT    |
@@ -41,7 +42,7 @@ sudo systemctl restart openvpn@server
 
 ```bash
 # install dependencies
-sudo pip install cryptography
+sudo pip install cryptography requests
 # download
 sudo wget https://git.hmp.today/pavel.muhortov/openvpn-management/raw/branch/master/ovpn_status.py -O /etc/openvpn/server/ovpn_status.py
 sudo chmod +x /etc/openvpn/server/ovpn_status.py
diff --git a/ovpn_status.py b/ovpn_status.py
index 326a97a..a08604b 100644
--- a/ovpn_status.py
+++ b/ovpn_status.py
@@ -195,6 +195,7 @@ if __name__ == "__main__":
         description='OpenVPN server status parser',
         epilog='Dependencies: '
             '- Python 3 (tested version 3.9.5), '
+            '- Python 3 modules: cryptography, requests '
         )
     args.add_argument('-s', '--server_conf', type=str, required=True,
                     help='path to OpenVPN server configuration file')