diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0437e49..7adfa30 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 ## Next version
 
 - add !restart to botrulez
+- save (overwrite) `Bot` config file
 
 ## 0.2.0 (2019-04-12)
 
diff --git a/yaboli/bot.py b/yaboli/bot.py
index de6af0e..d08bcdd 100644
--- a/yaboli/bot.py
+++ b/yaboli/bot.py
@@ -26,8 +26,10 @@ class Bot(Client):
     ROOMS_SECTION = "rooms"
 
     def __init__(self, config_file: str) -> None:
+        self.config_file = config_file
+
         self.config = configparser.ConfigParser(allow_no_value=True)
-        self.config.read(config_file)
+        self.config.read(self.config_file)
 
         nick = self.config[self.GENERAL_SECTION].get("nick")
         if nick is None:
@@ -39,6 +41,10 @@ class Bot(Client):
 
         self.start_time = datetime.datetime.now()
 
+    def save_config(self) -> None:
+        with open(self.config_file, "w") as f:
+            self.config.write(f)
+
     async def started(self) -> None:
         for room, password in self.config[self.ROOMS_SECTION].items():
             if password is None: