diff --git a/course.html b/course.html
index 0315973..d184ee7 100644
--- a/course.html
+++ b/course.html
@@ -88,8 +88,8 @@ <h3>Course : Summer of Bitcoin</h3>
               </a>
             </article>
             <article class="course">
-              <a href="https://www.summerofbitcoin.org/">
-                <img src="images/summerofbitcoin.svg">
+              <a href="https://planb.network/en/courses/btc402">
+                <img src="https://planb.network/cdn/493a96b/courses/btc402/assets/thumbnail.webp">
                 <h3>Course : Tech School</h3>
                 <p>by : PlanB Network</p>
                 <p>Cost : $5300</p>