diff --git a/README.md b/README.md
index 31f2252..d04a94c 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@ It combines a smart Linux distribution ([NixOS](https://nixos.org/)) with modern
 - Firewall ([netfilter](https://netfilter.org/))
   - [ ] NAT
   - [ ] Rules
-  - [ ] UPnP
+  - [ ] UPnP ([miniupnp](https://miniupnp.tuxfamily.org/))
 - [ ] DynDNS ([ddclient](https://ddclient.net/))
 - VPN
   - [ ] [OpenVPN](https://openvpn.net/)