diff --git a/repology-openmamba.py b/repology-openmamba.py
index 9d329f1..62a1493 100755
--- a/repology-openmamba.py
+++ b/repology-openmamba.py
@@ -30,7 +30,12 @@ while True:
         requrl += from_package +"/"
     requrl += "?inrepo=openmamba&outdated=1"
     sys.stderr.write("Requesting: " + requrl + "\n")
-    url = urllib.request.urlopen(requrl)
+    req = urllib.request.Request(
+        requrl,
+        data=None,
+        headers={'User-Agent': 'autodist/1.5.3 (Linux; openmamba; reports@openmamba.org)'}
+    )
+    url = urllib.request.urlopen(req)
     #print(requrl)
     data = json.loads(url.read().decode())