diff --git a/Layout/default/vueHeader.php b/Layout/default/vueHeader.php
index e24275a07..5d04b6adb 100644
--- a/Layout/default/vueHeader.php
+++ b/Layout/default/vueHeader.php
@@ -39,11 +39,11 @@
     </script>
 
     <script type="text/javascript" src="<?=self::getResourcePath()?>js/jquery.min.js"></script>
-    <script type="text/javascript" src="<?=self::getResourcePath()?>js/popper.min.js"></script>
-    <script type="text/javascript" src="<?=self::getResourcePath()?>js/bootstrap.min.js"></script>
-    <script type="text/javascript" src="<?=self::getResourcePath()?>assets/js/bootstrap-select.min.js"></script>
-    <script type="text/javascript" src="<?=self::getResourcePath()?>plugins/notification/notify.js"></script>
-    <script type="text/javascript" src="<?=self::getResourcePath()?>plugins/bookstack/bookstackIntegration.js"></script>
+    <script type="text/javascript" src="<?=self::getResourcePath()?>js/popper.min.js" defer></script>
+    <script type="text/javascript" src="<?=self::getResourcePath()?>js/bootstrap.min.js" defer></script>
+    <script type="text/javascript" src="<?=self::getResourcePath()?>assets/js/bootstrap-select.min.js" defer></script>
+    <script type="text/javascript" src="<?=self::getResourcePath()?>plugins/notification/notify.js" defer></script>
+    <script type="text/javascript" src="<?=self::getResourcePath()?>plugins/bookstack/bookstackIntegration.js" defer></script>
 
     <?php if(isset($additionalJS) && is_array($additionalJS) && count($additionalJS)): ?>
         <?php foreach($additionalJS as $js): ?>