diff --git a/download.py b/download.py
index 3261ab9..10182d5 100644
--- a/download.py
+++ b/download.py
@@ -15,10 +15,12 @@ import click
 import coloredlogs
 import dateutil.relativedelta
 import requests
+import requests.utils
 import yaspin
 
 LOG = logging.getLogger(__name__)
 
+requests.utils.default_user_agent = lambda: "aoc-get by nick@ollien.com"
 
 @dataclasses.dataclass
 class PuzzleDate: