diff --git a/index.html b/index.html
index b44d567..73d11f6 100644
--- a/index.html
+++ b/index.html
@@ -127,7 +127,7 @@ <h1 class="title is-1 publication-title">Academic Project Page</h1>
 <section class="hero teaser">
   <div class="container is-max-desktop">
     <div class="hero-body">
-          <img id="tree" src="static/images/projectlogo.gif" alt="Project Logo" style="width: 50%; height: auto;">
+          <img id="tree" src="static/images/projectlogo.gif?rand=<?php echo rand(); ?>" alt="Project Logo" style="width: 50%; height: auto;">
 
 <!--       <h2 class="subtitle has-text-centered">
         Aliquam vitae elit ullamcorper tellus egestas pellentesque. Ut lacus tellus, maximus vel lectus at, placerat pretium mi. Maecenas dignissim tincidunt vestibulum. Sed consequat hendrerit nisl ut maximus.