diff --git a/perguntations/__init__.py b/perguntations/__init__.py
index da43e6f..23c30d3 100644
--- a/perguntations/__init__.py
+++ b/perguntations/__init__.py
@@ -32,10 +32,10 @@ proof of submission and for review.
 '''
 
 APP_NAME = 'perguntations'
-APP_VERSION = '2022.04.dev1'
+APP_VERSION = '2024.06.dev1'
 APP_DESCRIPTION = str(__doc__)
 
 __author__ = 'Miguel Barão'
-__copyright__ = 'Copyright 2022, Miguel Barão'
+__copyright__ = 'Copyright 2024, Miguel Barão'
 __license__ = 'MIT license'
 __version__ = APP_VERSION
diff --git a/perguntations/serve.py b/perguntations/serve.py
index 2d30d2c..89ab390 100644
--- a/perguntations/serve.py
+++ b/perguntations/serve.py
@@ -21,9 +21,7 @@ from typing import Dict, Tuple
 import uuid
 
 # user installed libraries
-import tornado.ioloop
-import tornado.web
-import tornado.httpserver
+import tornado
 
 # this project
 from .parser_markdown import md_to_html
@@ -103,7 +101,7 @@ class BaseHandler(tornado.web.RequestHandler):
         Since HTTP is stateless, a cookie is used to identify the user.
         This function returns the cookie for the current user.
         '''
-        cookie = self.get_secure_cookie('perguntations_user')
+        cookie = self.get_signed_cookie('perguntations_user')
         if cookie:
             return cookie.decode('utf-8')
         return None
@@ -140,7 +138,7 @@ class LoginHandler(BaseHandler):
             await asyncio.sleep(3)  # delay to avoid spamming the server...
             self.render('login.html', error=self._error_msg[error])
         else:
-            self.set_secure_cookie('perguntations_user', str(uid))
+            self.set_signed_cookie('perguntations_user', str(uid))
             self.redirect('/')
 
 
diff --git a/setup.py b/setup.py
index f22f1f9..266b9d1 100644
--- a/setup.py
+++ b/setup.py
@@ -30,7 +30,7 @@ setup(
         'pygments',
         'schema>=0.7.5',
         'sqlalchemy>=1.4',
-        'tornado>=6.1',
+        'tornado>=6.3',
         ],
     entry_points={
         'console_scripts': [
--
libgit2 0.21.2