diff --git a/website/index.md b/website/index.md
index 120f91c..eacd67e 100644
--- a/website/index.md
+++ b/website/index.md
@@ -7,8 +7,8 @@ main:
   tagline: A simple and convenient open source manga reader from and for the community, where you can find and read your favorite manga easier than ever.
   image: 
     alt: Kotatsu Logo
-    light: /phone_light.png
-    dark: /phone_dark.png
+    light: /phone_light.webp
+    dark: /phone_dark.webp
   actions:
     - theme: brand
       text: Download
diff --git a/website/public/phone_dark.png b/website/public/phone_dark.png
deleted file mode 100644
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diff --git a/website/public/phone_dark.webp b/website/public/phone_dark.webp
new file mode 100644
index 0000000..a65417d
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diff --git a/website/public/phone_light.png b/website/public/phone_light.png
deleted file mode 100644
index 183b99d..0000000
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diff --git a/website/public/phone_light.webp b/website/public/phone_light.webp
new file mode 100644
index 0000000..184e954
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