diff --git a/CHANGES.rst b/CHANGES.rst
index 79d9b7ed..dd3e1970 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -3,6 +3,11 @@ All notable changes to this project will be documented in this file.
The format is based on `Keep a Changelog `_,
and this project adheres to `Semantic Versioning `_.
+Changed
+*******
+
+- Convert all the png in webp. :pr:`182`
+
[0.0.37] - 2023-12-01
=====================
diff --git a/README.md b/README.md
index 9246679f..9857fb71 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
-

+
**Canaille** is a French word meaning *rascal*. It is roughly pronounced **Can I?**,
@@ -16,9 +16,9 @@ It aims to be very light, simple to install and simple to maintain. Its main fea
# Screenshots
# Try it!
diff --git a/canaille/config.sample.toml b/canaille/config.sample.toml
index 2e8585b1..0c02b5eb 100644
--- a/canaille/config.sample.toml
+++ b/canaille/config.sample.toml
@@ -12,10 +12,10 @@ SECRET_KEY = "change me before you go in production"
# PREFERRED_URL_SCHEME = "https"
# You can display a logo to be recognized on login screens
-# LOGO = "/static/img/canaille-head.png"
+# LOGO = "/static/img/canaille-head.webp"
# Your favicon. If unset the LOGO will be used.
-# FAVICON = "/static/img/canaille-c.png"
+# FAVICON = "/static/img/canaille-c.webp"
# The name of a theme in the 'theme' directory, or an absolute path
# to a theme. Defaults to 'default'. Theming is done with
diff --git a/canaille/core/templates/about.html b/canaille/core/templates/about.html
index 381d03bc..945ec1f7 100644
--- a/canaille/core/templates/about.html
+++ b/canaille/core/templates/about.html
@@ -8,7 +8,7 @@
{% block content %}