diff --git a/BooksForAll/index.html b/BooksForAll/index.html
index c294024..4e3f628 100644
--- a/BooksForAll/index.html
+++ b/BooksForAll/index.html
@@ -150,7 +150,7 @@ <h2>Islam</h2>
                 </div>
                 <div id="listen-quran">                
                     <h3>Read/Listen to the Quran here:</h3>
-                    <iframe width="770" height="1000" src="http://tanzil.net/?embed=true"></iframe>
+                    <iframe width="770" height="1000" src="https://tanzil.net/?embed=true"></iframe>
                 </div>
                 <input type="checkbox" id="toggle-checkbox-islam" class="toggle-checkbox">
                 <label for="toggle-checkbox-islam" class="toggle-button">Show More</label>
@@ -1855,4 +1855,4 @@ <h2>Psychology</h2>
         </section>
     </main>
 </body>
-</html>
\ No newline at end of file
+</html>