diff --git a/outreach/casono-trailer.mp4 b/outreach/casono-trailer.mp4
new file mode 100644
index 0000000..50b117b
Binary files /dev/null and b/outreach/casono-trailer.mp4 differ
diff --git a/outreach/index.html b/outreach/index.html
index 33b5e76..04a574d 100644
--- a/outreach/index.html
+++ b/outreach/index.html
@@ -134,7 +134,7 @@
                 <article class="media-card">
                     <h3 data-i18n="mediaTrailer">Trailer</h3>
                     <video controls playsinline preload="metadata" loading="lazy">
-                        <source src="Casono-Trailer.webm" type="video/webm">
+                        <source src="casono-trailer.mp4" type="video/mp4">
                         <span data-i18n="videoFallback">Ihr Browser unterstützt das Video-Tag nicht.</span>
                     </video>
                 </article>