diff --git a/proxy/endpoints.py b/proxy/endpoints.py
index ec2feb7..3166380 100644
--- a/proxy/endpoints.py
+++ b/proxy/endpoints.py
@@ -86,7 +86,7 @@ def to_dict(self):
 
 def url_ok(url) -> bool:
     try:
-        r = requests.head(url)
+        r = requests.head(url, timeout=10)
         return bool(r.status_code)
     except requests.exceptions.ConnectionError:
         return False