diff --git a/wallabag_kindle_consumer/config.py b/wallabag_kindle_consumer/config.py
index a2087ce..542a6be 100644
--- a/wallabag_kindle_consumer/config.py
+++ b/wallabag_kindle_consumer/config.py
@@ -1,36 +1,29 @@
-import os
+import dataclasses
 import configparser
+import os
 
 from logbook import Logger
 
 logger = Logger(__name__)
 
 
+@dataclasses.dataclass
 class Config:
-    known_values = ["wallabag_host", "db_uri", "client_id", "client_secret", "domain", "smtp_from", "smtp_host",
-                    "smtp_port", "smtp_user", "smtp_passwd", "tag", "refresh_grace", "consume_interval",
-                    "interface_host", "interface_port"]
-    required_values = ["wallabag_host", "db_uri", "client_id", "client_secret", "domain", "smtp_from", "smtp_host",
-                       "smtp_port", "smtp_user", "smtp_passwd"]
-
-    def __init__(self, wallabag_host, db_uri, client_id, client_secret, domain, smtp_from, smtp_host, smtp_port,
-                 smtp_user, smtp_passwd, tag='kindle', refresh_grace=120, consume_interval=30,
-                 interface_host="127.0.0.1", interface_port=8080):
-        self.wallabag_host = wallabag_host
-        self.db_uri = db_uri
-        self.client_id = client_id
-        self.client_secret = client_secret
-        self.domain = domain
-        self.smtp_from = smtp_from
-        self.smtp_host = smtp_host
-        self.smtp_port = smtp_port
-        self.smtp_user = smtp_user
-        self.smtp_passwd = smtp_passwd
-        self.tag = tag
-        self.refresh_grace = refresh_grace
-        self.consume_interval = consume_interval
-        self.interface_host = interface_host
-        self.interface_port = interface_port
+    wallabag_host: str
+    db_uri: str
+    client_id: str
+    client_secret: str
+    domain: str
+    smtp_from: str
+    smtp_host: str
+    smtp_port: int
+    smtp_user: str
+    smtp_passwd: str
+    tag: str = "kindle"
+    refresh_grace: int = 120
+    consume_interval: int = 30
+    interface_host: str = "127.0.0.1"
+    interface_port: int = 8080
 
     @staticmethod
     def from_file(filename):
@@ -51,12 +44,12 @@ class Config:
 
         tmp = {}
         missing = []
-        for key in Config.known_values:
-            if key in dflt:
-                tmp[key] = dflt[key]
+        for field in dataclasses.fields(Config):
+            if field.name in dflt:
+                tmp[field.name] = field.type(dflt[field.name])
             else:
-                if key in Config.required_values:
-                    missing.append(key)
+                if field.default is dataclasses.MISSING:
+                    missing.append(field.name)
 
         if 0 != len(missing):
             logger.warn("Config file {filename} does not contain configs for: {lst}", filename=filename,
@@ -70,12 +63,12 @@ class Config:
         logger.info("Read config from environment")
         tmp = {}
         missing = []
-        for key in Config.known_values:
-            if key.upper() in os.environ:
-                tmp[key] = os.environ[key.upper()]
+        for field in dataclasses.fields(Config):
+            if field.name.upper() in os.environ:
+                tmp[field.name] = field.type(os.environ[field.name.upper()])
             else:
-                if key in Config.required_values:
-                    missing.append(key.upper())
+                if field.default is dataclasses.MISSING:
+                    missing.append(field.name.upper())
 
         if 0 != len(missing):
             logger.warn("Environment config does not contain configs for: {lst}", lst=", ".join(missing))