diff --git a/.gitignore b/.gitignore
index b81a9eb..b2a5dae 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,10 +3,12 @@
 .pytest_cache
 /.coverage
 /htmlcov
+/build
+/dist
 *.egg-info/
 *.pyc
 .venv
 __pycache__
 .devcontainer
 .vscode
-.codex
\ No newline at end of file
+.codex
diff --git a/.pylintrc b/.pylintrc
index f26487b..51b45f9 100644
--- a/.pylintrc
+++ b/.pylintrc
@@ -30,10 +30,6 @@ persistent=yes
 # Specify a configuration file.
 #rcfile=
 
-# When enabled, pylint would attempt to guess common misconfiguration and emit
-# user-friendly hints instead of false-positive error messages
-suggestion-mode=yes
-
 # Allow loading of arbitrary C extensions. Extensions are imported into the
 # active Python interpreter and may run arbitrary code.
 unsafe-load-any-extension=no
diff --git a/stw_potsdam/config.py b/stw_potsdam/config.py
index 95e39f6..a4c12c3 100644
--- a/stw_potsdam/config.py
+++ b/stw_potsdam/config.py
@@ -4,11 +4,20 @@ import configparser
 import io
 import os
 
-from collections import namedtuple
+from dataclasses import dataclass
 from functools import partial
 
-Canteen = namedtuple('Canteen',
-                     ('key', 'name', 'street', 'city', 'id', 'chash'))
+
+@dataclass(frozen=True)
+class Canteen:
+    """Configured OpenMensa canteen mapping."""
+
+    key: str
+    name: str
+    street: str
+    city: str
+    id: str
+    chash: str
 
 
 def _get_config(filename):