diff --git a/book/source/_static/epub/img/cover.png b/book/source/_static/epub/img/cover.png
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diff --git a/book/source/_static/epub/img/cover.svg b/book/source/_static/epub/img/cover.svg
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diff --git a/book/source/conf.py b/book/source/conf.py
index 762b9a9..8190e40 100644
--- a/book/source/conf.py
+++ b/book/source/conf.py
@@ -58,7 +58,7 @@ myst_enable_extensions = [
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#options-for-epub-output
 
 epub_copyright = f'{date.today().year}, {author} ({upstream_url}), CC-BY-SA-4.0'
-epub_cover = ('_static/epub/img/cover.svg', 'cover.j2')
+epub_cover = ('_static/epub/img/cover.png', 'cover.j2')
 epub_css_files = [
     'epub/css/custom.css'
 ]