diff --git a/python/lorautil.py b/python/lorautil.py
index a2a5458..492e9f0 100644
--- a/python/lorautil.py
+++ b/python/lorautil.py
@@ -68,6 +68,7 @@ myobj = {'somekey': 'somevalue'}
 
 def ttn2prom_send(path, data):
     url = 'http://localhost:8047/'
+    print("Sending {} to {}".format(data, url))
     x = requests.post(url, data = data)
 
 channels = [ "loriot", "swisscom", "ttn" ]
diff --git a/python/requirements.txt b/python/requirements.txt
new file mode 100644
index 0000000..b269664
--- /dev/null
+++ b/python/requirements.txt
@@ -0,0 +1,3 @@
+websocket
+psycopg2
+requests
diff --git a/python/ttnv2receiver.py b/python/ttnv2receiver.py
index a0c55a1..0b61803 100644
--- a/python/ttnv2receiver.py
+++ b/python/ttnv2receiver.py
@@ -46,7 +46,7 @@ class testHTTPServer_RequestHandler(BaseHTTPRequestHandler):
 
 
 if __name__ == '__main__':
-    server_address = ('::', 7000)
+    server_address = ('0.0.0.0', 7000)
     httpd = HTTPServer(server_address, testHTTPServer_RequestHandler)
     print('running server...')
     httpd.serve_forever()