diff --git a/content/german/wettbewerbe/internationale-biologieolympiade.md b/content/german/wettbewerbe/internationale-biologieolympiade.md
index bf32d02..d559635 100644
--- a/content/german/wettbewerbe/internationale-biologieolympiade.md
+++ b/content/german/wettbewerbe/internationale-biologieolympiade.md
@@ -1,7 +1,7 @@
 ---
 title: Internationale Biologieolympiade
 draft: false
-image: /media/contests/ibo.png
+image: /media/contests/ibo.webp
 category: Biologie
 class: 9. - 12. Klasse
 web_url: https://www.scienceolympiaden.de/ibo