diff --git a/app/views/main/index/about.volt b/app/views/main/index/about.volt
index c330a6a..36a33e1 100644
--- a/app/views/main/index/about.volt
+++ b/app/views/main/index/about.volt
@@ -46,7 +46,7 @@
 
             <div class="phalcon">
                 <a target="_blank" href="http://phalconphp.com">
-                    <img class="img-responsive" src="/img/phalcon-php.png" />
+                    <img class="img-fluid" src="/img/phalcon-php.png" />
                 </a>
             </div>