diff --git a/templates/theme/libraries.yml.twig b/templates/theme/libraries.yml.twig
index 8d2379ea6..0c399a019 100644
--- a/templates/theme/libraries.yml.twig
+++ b/templates/theme/libraries.yml.twig
@@ -7,10 +7,10 @@
      #js/your_js.js : {}
 {% for library in libraries %}
 {{ library.library_name }}:
-  version: {{ library.library_version }}
+   version: {{ library.library_version }}
    css:
     theme:
       #js/your_js.js : {}
    js:
      #js/your_js.js : {}
-{% endfor %}
\ No newline at end of file
+{% endfor %}