diff --git a/modules/facets_range_widget/facets_range_widget.libraries.yml b/modules/facets_range_widget/facets_range_widget.libraries.yml
index bb71ebf19dfacfd3e2f5f57ba9b4dc567e9651b3..b647f2453bdc4610eb2c459f88d180e3deb3b435 100644
--- a/modules/facets_range_widget/facets_range_widget.libraries.yml
+++ b/modules/facets_range_widget/facets_range_widget.libraries.yml
@@ -6,7 +6,7 @@ jquery.ui.slider.pips:
     url: https://github.com/simeydotme/jQuery-ui-Slider-Pips/blob/v1.11.3/README.md
     gpl-compatible: true
   js:
-    /libraries/jquery-ui-slider-pips/dist/jquery-ui-slider-pips.min.js: { minified: true }
+    /libraries/jquery-ui-slider-pips/dist/jquery-ui-slider-pips.min.js: { minified: true, attributes: { defer: true } }
   css:
     component:
       /libraries/jquery-ui-slider-pips/dist/jquery-ui-slider-pips.min.css: { minified: true }
@@ -16,7 +16,7 @@ jquery.ui.slider.pips:
 slider:
   version: VERSION
   js:
-    js/slider.js: {}
+    js/slider.js: { attributes: { defer: true } }
   css:
     component:
       css/slider.css: {}