diff --git a/manifest.toml b/manifest.toml
index e7ba6ee..a3194bf 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -5,7 +5,7 @@ name = "2FAuth"
 description.en = "self-hosted alternative to One Time Passcode"
 description.fr = "Alternative auto-hébergée a One Time Passcode"
 
-version = "4.1.0~ynh2"
+version = "4.1.0~ynh3"
 
 maintainers = ["eric_G"]
 
diff --git a/scripts/upgrade b/scripts/upgrade
index 1936140..4168359 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -47,7 +47,7 @@ then
 	ynh_script_progression --message="Upgrading source files..." --weight=3
 
 	# Download, check integrity, uncompress and patch the source from app.src
-	ynh_setup_source --dest_dir="$install_dir" --keep="storage"
+	ynh_setup_source --dest_dir="$install_dir" --keep="storage .env"
 fi
 
 chown -R $app:www-data "$install_dir"
@@ -66,15 +66,15 @@ ynh_add_nginx_config
 #=================================================
 # ADD A CONFIGURATION
 #=================================================
-ynh_script_progression --message="Adding a configuration file..." --weight=1
+#ynh_script_progression --message="Adding a configuration file..." --weight=1
 
-email=$(ynh_user_get_info --username=$admin --key=mail)
+#email=$(ynh_user_get_info --username=$admin --key=mail)
 
 # Setup application config
-ynh_add_config --template="../conf/.env.example" --destination="$install_dir/.env"
+#ynh_add_config --template="../conf/.env.example" --destination="$install_dir/.env"
 
-chmod 644 "$install_dir/.env"
-chown $app:$app "$install_dir/.env"
+#chmod 644 "$install_dir/.env"
+#chown $app:$app "$install_dir/.env"
 
 #=================================================
 # INSTALL 2FAUTH WITH COMPOSER