diff --git a/src/server.py b/src/server.py
index 95a5aff..21c3f21 100644
--- a/src/server.py
+++ b/src/server.py
@@ -1,3 +1,5 @@
+import os
+
 import flask
 import telebot
 
@@ -29,5 +31,5 @@ def webhook():
 
 
 if __name__ == "__main__":
-
-    app.run(host="0.0.0.0")
+    port = int(os.environ.get("PORT", 33507))
+    app.run(host="0.0.0.0", port=port)