diff --git a/manifest.json b/manifest.json
index 1b3fe32..fb04a7f 100755
--- a/manifest.json
+++ b/manifest.json
@@ -18,7 +18,7 @@
             "name": "yalh76"
         }],
     "requirements": {
-        "yunohost": ">= 3.5"
+        "yunohost": ">= 4"
     },
     "multi_instance": false,
     "services": [
diff --git a/scripts/install b/scripts/install
index 37cc0f5..515f889 100755
--- a/scripts/install
+++ b/scripts/install
@@ -50,10 +50,6 @@ app=$YNH_APP_INSTANCE_NAME
 #=================================================
 ynh_script_progression --message="Validating installation parameters..."
 
-if [ "$(lsb_release --codename --short)" != "buster" ]; then
-    ynh_die --message="Sorry, but this app can only be installed on Buster :("
-fi
-
 final_path=/var/www/$app
 test ! -e "$final_path" || ynh_die --message="This path already contains a folder"
 
diff --git a/scripts/restore b/scripts/restore
index 6408e6a..c4e556c 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -42,10 +42,6 @@ datadir=$(ynh_app_setting_get --app=$app --key=datadir)
 #=================================================
 ynh_script_progression --message="Validating restoration parameters..."
 
-if [ "$(lsb_release --codename --short)" != "buster" ]; then
-	ynh_die --message="Sorry, but this app can only be restored on Buster :("
-fi
-
 ynh_webpath_available --domain=$domain --path_url=$path_url \
 	|| ynh_die --message="Path not available: ${domain}${path_url}"
 test ! -d $final_path \
diff --git a/scripts/upgrade b/scripts/upgrade
index da30703..f3b3455 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -46,10 +46,6 @@ upgrade_type=$(ynh_check_app_version_changed)
 #=================================================
 ynh_script_progression --message="Ensuring downward compatibility..."
 
-if [ "$(lsb_release --codename --short)" != "buster" ]; then
-	ynh_die --message="Sorry, but this app can only be upgraded on Buster :("
-fi
-
 # Fix is_public as a boolean value
 if [ "$is_public" = "Yes" ]; then
 	ynh_app_setting_set --app=$app --key=is_public --value=1