diff --git a/conf/extra_php-fpm.conf b/conf/extra_php-fpm.conf
deleted file mode 100644
index 700c37c..0000000
--- a/conf/extra_php-fpm.conf
+++ /dev/null
@@ -1,4 +0,0 @@
-; Additional php.ini defines, specific to this pool of workers.
-
-php_admin_value[upload_max_filesize] = 50M
-php_admin_value[post_max_size] = 50M
diff --git a/conf/nginx.conf b/conf/nginx.conf
index 1f14638..b36dab4 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -22,7 +22,4 @@ location __PATH__/ {
     fastcgi_param SCRIPT_FILENAME $request_filename;
   }
 ### End of PHP configuration part
-
-  # Include SSOWAT user panel.
-  include conf.d/yunohost_panel.conf.inc;
 }
diff --git a/manifest.toml b/manifest.toml
index ac4bde3..3b37b83 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -32,7 +32,7 @@ cpe = "???"
 fund = "???"
 
 [integration]
-yunohost = ">= 11.2.30"
+yunohost = ">= 12.0.9"
 helpers_version = "2.1"
 # FIXME: can be replaced by a list of supported archs using the dpkg --print-architecture nomenclature (amd64/i386/armhf/arm64), for example: ["amd64", "i386"]
 architectures = "all"
@@ -129,7 +129,7 @@ ram.runtime = "50M"
     [resources.apt]
     # This will automatically install/uninstall the following apt packages
     # and implicitly define the $phpversion setting as 8.0 (if phpX.Y-foobar dependencies are listed)
-    packages = "mariadb-server, deb1, deb2, php8.0-foo, php8.0-bar"
+    packages = "mariadb-server, deb1, deb2, php8.3-foo, php8.3-bar"
 
     [resources.database]
     # This will automatically provision/deprovison a MySQL DB and store the corresponding credentials in settings $db_user, $db_name, $db_pwd
diff --git a/scripts/install b/scripts/install
index ebb82ea..fa67130 100755
--- a/scripts/install
+++ b/scripts/install
@@ -35,6 +35,9 @@ source /usr/share/yunohost/helpers
 foo="bar"
 ynh_app_setting_set --key=foo --value=$foo
 
+ynh_app_setting_set --key=php_upload_max_filesize --value=50M
+ynh_app_setting_set --key=php_post_max_size --value=50M
+
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 957e129..2401955 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -30,7 +30,10 @@ ynh_systemctl --service="$app" --action="stop"
 #=================================================
 # ENSURE DOWNWARD COMPATIBILITY
 #=================================================
-#ynh_script_progression "Ensuring downward compatibility..."
+ynh_script_progression "Ensuring downward compatibility..."
+
+ynh_app_setting_set_default --key=php_upload_max_filesize --value=50M
+ynh_app_setting_set_default --key=php_post_max_size --value=50M
 
 ### N.B. : the following setting migration snippets are provided as *EXAMPLES*
 ### of what you may want to do in some cases (e.g. a setting was not defined on