diff --git a/README.md b/README.md
index 97128a8..7b6d092 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@ A free and open source software wiki package written in PHP, originally for use
 
 ## Screenshots
 
-![](./doc/screenshots/screenshot.png)
+![](./doc/screenshots/screenshot.avif)
 
 ## Disclaimers / important information
 
@@ -75,4 +75,4 @@ or
 sudo yunohost app upgrade mediawiki -u https://github.com/YunoHost-Apps/mediawiki_ynh/tree/testing --debug
 ```
 
-**More info regarding app packaging:** https://yunohost.org/packaging_apps
\ No newline at end of file
+**More info regarding app packaging:** https://yunohost.org/packaging_apps
diff --git a/README_fr.md b/README_fr.md
index e6769ab..6abd7af 100644
--- a/README_fr.md
+++ b/README_fr.md
@@ -19,7 +19,7 @@ Un wiki à base de logiciels libres Open source, développé à l’origine pour
 
 ## Captures d'écran
 
-![](./doc/screenshots/screenshot.png)
+![](./doc/screenshots/screenshot.avif)
 
 ## Avertissements / informations importantes
 
@@ -70,4 +70,4 @@ or
 sudo yunohost app upgrade mediawiki -u https://github.com/YunoHost-Apps/mediawiki_ynh/tree/testing --debug
 ```
 
-**Plus d'infos sur le packaging d'applications:** https://yunohost.org/packaging_apps
\ No newline at end of file
+**Plus d'infos sur le packaging d'applications:** https://yunohost.org/packaging_apps
diff --git a/doc/screenshots/screenshot.avif b/doc/screenshots/screenshot.avif
new file mode 100644
index 0000000..4f0e14b
Binary files /dev/null and b/doc/screenshots/screenshot.avif differ