diff --git a/conf/app.src b/conf/app.src
index 6bbc6b8..98917c3 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://github.com/elabftw/elabftw/archive/refs/tags/4.2.4.zip
-SOURCE_SUM=1922b5dc3eeb6e6feb1b36a041113abb4e43cb19eb6fe5bd211440efc7ef10a4
+SOURCE_URL=https://github.com/elabftw/elabftw/archive/refs/tags/4.3.0-beta4.zip
+SOURCE_SUM=7e76c884356312add88741bf26c0d0ad728101e9a824071bb7ab9b9c85363cc7
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=zip
 SOURCE_IN_SUBDIR=true
diff --git a/manifest.json b/manifest.json
index 160bbf0..4496105 100644
--- a/manifest.json
+++ b/manifest.json
@@ -6,7 +6,7 @@
         "en": "Open source electronic lab notebook for research labs",
         "fr": "Cahier de laboratoire électronique open source pour les laboratoires de recherche"
     },
-    "version": "4.2.4~ynh1",
+    "version": "4.3.0~ynh1",
     "url": "https://www.elabftw.net",
     "upstream": {
         "license": "AGPL-3.0-only",
diff --git a/scripts/install b/scripts/install
index 0279dc5..0365e7e 100644
--- a/scripts/install
+++ b/scripts/install
@@ -49,7 +49,6 @@ ynh_script_progression --message="Storing installation settings..." --weight=1
 
 ynh_app_setting_set --app=$app --key=domain --value=$domain
 ynh_app_setting_set --app=$app --key=path --value=$path_url
-ynh_app_setting_set --app=$app --key=phpversion --value=$phpversion
 
 #=================================================
 # INSTALL DEPENDENCIES
@@ -66,8 +65,9 @@ ynh_install_app_dependencies $pkg_dependencies
 ynh_script_progression --message="Creating a MySQL database..." --weight=2
 
 db_name=$(ynh_sanitize_dbid $app)
+db_user=$db_name
 ynh_app_setting_set --app=$app --key=db_name --value=$db_name
-ynh_mysql_setup_db --db_user=$db_name --db_name=$db_name
+ynh_mysql_setup_db --db_user=$db_user --db_name=$db_name
 
 #=================================================
 # INSTALL DEPENDENCIES
@@ -137,7 +137,9 @@ ynh_script_progression --message="Installing with Composer..." --weight=30
 
 pushd "$final_path"
 	ynh_script_progression --message="Composer install..."
-	ynh_exec_warn_less ynh_exec_as $app php$phpversion composer.phar install --prefer-dist --no-progress --no-dev
+	#ynh_exec_warn_less ynh_exec_as $app php$phpversion composer.phar install --prefer-dist --no-progress --no-dev
+
+ynh_composer_exec phpversion=$phpversion --workdir=$final_path --commands="install --prefer-dist --no-progress --no-dev"
 
 	ynh_script_progression --message="Yarn install..."
 	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH npm install --save https://github.com/foliojs/brotli.js/tarball/master