diff --git a/requirements.txt b/requirements.txt
index 534832f..073d368 100755
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ cryptography
 brotli
 aiohttp
 aioupnp
-natpmp
+py-natpmp
 asyncio 
 requests
 jinja2