diff --git a/src/anonchat/webhooks.py b/src/anonchat/webhooks.py
index 07ce38b..2b9ce33 100644
--- a/src/anonchat/webhooks.py
+++ b/src/anonchat/webhooks.py
@@ -1,10 +1,8 @@
-import urllib.request
-import urllib.error
 import hmac
 import hashlib
 import json
-from datetime import datetime
-from flask import current_app
+import requests
+from datetime import datetime, timezone
 from .models import Settings
 
 class WebhookError(Exception):
@@ -31,40 +29,36 @@ def _send_webhook(event_type, data):
     
     payload = {
         "event_type": event_type,
-        "timestamp": datetime.utcnow().isoformat(),
+        "timestamp": datetime.now(timezone.utc).isoformat(),
         "data": data
     }
     
     # Convert payload to JSON
-    payload_str = json.dumps(payload).encode('utf-8')
+    payload_str = json.dumps(payload)
     
     # Create request with headers
     headers = {'Content-Type': 'application/json'}
     if settings.webhook_secret:
         signature = hmac.new(
             settings.webhook_secret.encode(),
-            payload_str,
+            payload_str.encode('utf-8'),
             hashlib.sha256
         ).hexdigest()
         headers['X-Webhook-Signature'] = signature
     
     try:
-        # Create request object
-        req = urllib.request.Request(
+        # Send request using requests library
+        response = requests.post(
             settings.webhook_url,
             data=payload_str,
             headers=headers,
-            method='POST'
+            timeout=5
         )
         
-        # Set timeout
-        with urllib.request.urlopen(req, timeout=5) as response:
-            if response.status != 200:
-                raise WebhookError(f"Webhook error: {response.status}", status_code=response.status)
+        # Check response status
+        response.raise_for_status()
     except Exception as e:
-        status_code = None
-        if hasattr(e, 'status_code'):
-            status_code = e.status_code
+        status_code = e.response.status_code if hasattr(e, 'response') else None
         raise WebhookError(f"Webhook error: {str(e)}", status_code=status_code, original_exception=e)
     
 def inquiry_created(inquiry_id, message):