diff --git a/scripts/install b/scripts/install
index 3ee1033..d5950d2 100644
--- a/scripts/install
+++ b/scripts/install
@@ -78,9 +78,6 @@ ynh_setup_source --dest_dir="$final_path"
 chmod 755 $final_path
 chmod -R o-rwx $final_path
 chown -R $app:www-data $final_path
-chmod 775 $final_path/storage
-chmod 775 $final_path/bootstrap/cache
-chmod 775 $final_path/public/uploads
 
 #=================================================
 # NGINX CONFIGURATION
@@ -105,7 +102,7 @@ phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
 ynh_script_progression --message="Installing BookStack with Composer..." --weight=5
 
 # Install composer
-ynh_install_composer --phpversion=$phpversion --workdir=$final_path --install_args="--no-dev"
+ynh_install_composer
 
 #=================================================
 # MODIFY A CONFIG FILE
diff --git a/scripts/upgrade b/scripts/upgrade
index ae719e9..38851bb 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -84,9 +84,6 @@ fi
 chmod 755 $final_path
 chmod -R o-rwx $final_path
 chown -R $app:www-data $final_path
-chmod 775 $final_path/storage
-chmod 775 $final_path/bootstrap/cache
-chmod 775 $final_path/public/uploads
 chmod 600 $final_path/.env
 
 #=================================================
@@ -111,7 +108,7 @@ ynh_add_fpm_config --package="$extra_php_dependencies"
 ynh_script_progression --message="Installing BookStack with Composer..." --weight=5
 
 # Install composer
-ynh_install_composer --phpversion=$phpversion --workdir=$final_path --install_args="--prefer-source --no-dev"
+ynh_install_composer
 
 #=================================================
 # FINAL BOOKSTACK INSTALL