diff --git a/public/images/past/past_11.jpg b/public/images/past/past_11.jpg
deleted file mode 100644
index 5ee1066..0000000
Binary files a/public/images/past/past_11.jpg and /dev/null differ
diff --git a/public/images/past/past_11.webp b/public/images/past/past_11.webp
new file mode 100644
index 0000000..bb117a1
Binary files /dev/null and b/public/images/past/past_11.webp differ
diff --git a/src/data/gallery/Pictures.js b/src/data/gallery/Pictures.js
index 1cfb08e..a8d3d4f 100644
--- a/src/data/gallery/Pictures.js
+++ b/src/data/gallery/Pictures.js
@@ -48,7 +48,7 @@ import past7 from "@/public/images/past/past_7.webp";
 import past8 from "@/public/images/past/past_8.webp";
 import past9 from "@/public/images/past/past_9.webp";
 import past10 from "@/public/images/past/past_10.webp";
-import past11 from "@/public/images/past/past_11.jpg";
+import past11 from "@/public/images/past/past_11.webp";
 import past12 from "@/public/images/past/past_12.webp";
 import past13 from "@/public/images/past/past_13.webp";
 import past14 from "@/public/images/past/past_14.webp";