diff --git a/templates/bookmarks.html b/templates/bookmarks.html
index ad4ce12..696be04 100644
--- a/templates/bookmarks.html
+++ b/templates/bookmarks.html
@@ -103,7 +103,7 @@
                         <i class="material-icons right">more_vert</i>
                     </span>
                     <div class="digimark-card-content">
-                        <a href="{{ bookmark.url }}" title="{{ bookmark.url }}" rel="noreferrer">
+                        <a href="{{ bookmark.url }}" title="{{ bookmark.url }}" rel="noreferrer noopener" target="_blank">
                             {% if bookmark.title %}
                                 {{ bookmark.title }}
                             {% else %}
diff --git a/templates/publicbookmarks.html b/templates/publicbookmarks.html
index 77caabe..d8f42ea 100644
--- a/templates/publicbookmarks.html
+++ b/templates/publicbookmarks.html
@@ -45,7 +45,7 @@
                         <i class="material-icons right">more_vert</i>
                     </span>
                     <div class="digimark-card-content">
-                        <a href="{{ bookmark.url }}" title="{{ bookmark.url }}" rel="noreferrer">
+                        <a href="{{ bookmark.url }}" title="{{ bookmark.url }}" rel="noreferrer noopener" target="_blank">
                             {% if bookmark.title %}
                                 {{ bookmark.title }}
                             {% else %}