diff --git a/conf/systemd.service b/conf/systemd.service
index 7134501..b4a69ae 100644
--- a/conf/systemd.service
+++ b/conf/systemd.service
@@ -12,5 +12,11 @@ Environment=NODE_ENV=production
 ExecStart=__YNH_NPM__ start
 Restart=always
 
+PrivateDevices=true
+ProtectControlGroups=true
+ProtectHome=true
+ProtectKernelTunables=true
+ProtectSystem=full
+
 [Install]
 WantedBy=multi-user.target