diff --git a/tools/generate-enum.py b/tools/generate-enum.py
index 96533f34..51ea6182 100755
--- a/tools/generate-enum.py
+++ b/tools/generate-enum.py
@@ -34,7 +34,7 @@ def main():
     args = parser.parse_args()
 
     if args.url.startswith("https://") or args.url.startswith("http://"):
-        resp = requests.get(args.url)
+        resp = requests.get(args.url, timeout=30)
         resp.raise_for_status()
         content = resp.json()
     else: