diff --git a/README.md b/README.md
index 41e6a9d..10ba81f 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@ You can use template inheritance.
 
 ### Configuration
 
-The configuration file ([config.json](./config.json)) is mandatory and should resemble:
+The configuration file ([config.toml](./config.toml)) is mandatory and should resemble:
 
 ```json
 {
@@ -66,7 +66,7 @@ You can then deploy the site on any platform supporting static sites (Netlify,
 - [x] Deploy to VillaFleurie's domain
 - [ ] Find attractions for landing page
 - [x] Pick real reviews from AirBnB and Booking
-- [ ] Optimize images
+- [x] Optimize images
 - [ ] Automate the file search
 - [x] Extract data out of the template
 - [ ] Create a 'all' key for data available in all templates
diff --git a/config.json b/config.json
deleted file mode 100644
index 1d98306..0000000
--- a/config.json
+++ /dev/null
@@ -1,10 +0,0 @@
-{
-  "name": "VillaFleurie",
-  "staticFilesDir": [
-    "images",
-    "js",
-    "css",
-    "webfonts"
-  ],
-  "outDir": "dist"
-}
\ No newline at end of file
diff --git a/config.toml b/config.toml
new file mode 100644
index 0000000..a481813
--- /dev/null
+++ b/config.toml
@@ -0,0 +1,3 @@
+name = "VillaFleurie"
+static_files = ["images", "js", "css", "webfonts"]
+out_dir = "dist"
\ No newline at end of file
diff --git a/lib/config.py b/lib/config.py
index 01639f8..2ebb576 100644
--- a/lib/config.py
+++ b/lib/config.py
@@ -1,27 +1,26 @@
-import json
+import tomllib
 from dataclasses import dataclass
 
 NAME = "name"
-TEMPLATES = "templates"
-TEMPLATES_DIR = "templatesDir"
-STATIC_FILES_DIR = "staticFilesDir"
-OUT_DIR = "outDir"
+TEMPLATES_DIR = "templates_dir"
+STATIC_FILES = "static_files"
+OUT_DIR = "out_dir"
 
 
 @dataclass(frozen=True)
 class Config:
     name: str
-    static_files_dir: list[str]
+    static_files: list[str]
     out_dir: str
     templates_dir: str
 
 
 def load() -> Config:
-    with open("config.json", "r") as f:
-        raw_config = json.loads(f.read())
+    with open("config.toml", "rb") as f:
+        raw_config = tomllib.load(f)
         return Config(
             name=raw_config[NAME],
-            static_files_dir=raw_config[STATIC_FILES_DIR],
+            static_files=raw_config[STATIC_FILES],
             out_dir=raw_config.setdefault(OUT_DIR, "dist"),
             templates_dir=raw_config.setdefault(TEMPLATES_DIR, "templates"),
         )
diff --git a/lib/main.py b/lib/main.py
index 4aa201d..10ffa53 100644
--- a/lib/main.py
+++ b/lib/main.py
@@ -13,7 +13,7 @@ def main():
     try:
         config = load()
     except FileNotFoundError:
-        logger.error("The configuration file 'config.json' was not found. Please verify it exists at the root level")
+        logger.error("The configuration file 'config.toml' was not found. Please verify it exists at the root level")
         sys.exit()
 
     destination_path = config.out_dir
@@ -32,7 +32,7 @@ def main():
                 fd.write(fs.render(data["template"], data))
 
     logger.info("⏩ Start copying staticfiles to build")
-    for folder in config.static_files_dir:
+    for folder in config.static_files:
         shutil.copytree(folder, os.path.join(config.out_dir, folder))
 
     logger.info("🎉 Done…")