diff --git a/templates/index.html b/templates/index.html
index 3198e03..23e7905 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -28,7 +28,7 @@
       <tbody>
         {% for book in books %}
         <tr>
-          <td><a href="https://openlibrary.org/isbn/{{book.isbn}}">{{book.title}}</a></td>
+          <td><a target="_blank" rel="noreferrer noopener" href="https://openlibrary.org/isbn/{{book.isbn}}">{{book.title}}</a></td>
           <td>{{book.author}}</td>
           <td>{{book.year}}</td>
           <td>{{book.pages}}</td>
@@ -41,7 +41,7 @@
   </main>
 
   <footer>
-    &copy2022 Severin Kaderli - <a href="https://git.kaderli.dev/severinkaderli/books.kaderli.dev/commit/{{GIT_COMMIT}}">{{GIT_COMMIT}}</a>
+    &copy2022 Severin Kaderli - <a target="_blank" rel="noreferrer noopener" href="https://git.kaderli.dev/severinkaderli/books.kaderli.dev/commit/{{GIT_COMMIT}}">{{GIT_COMMIT}}</a>
   </footer>
 </body>