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diff --git a/icons/qutebrowser-512x512.png b/icons/qutebrowser-512x512.png
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diff --git a/icons/qutebrowser-64x64.png b/icons/qutebrowser-64x64.png
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diff --git a/icons/qutebrowser-96x96.png b/icons/qutebrowser-96x96.png
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diff --git a/scripts/dev/src2asciidoc.py b/scripts/dev/src2asciidoc.py
index 97da07c09..b82ede3e1 100755
--- a/scripts/dev/src2asciidoc.py
+++ b/scripts/dev/src2asciidoc.py
@@ -545,6 +545,7 @@ def regenerate_cheatsheet():
         subprocess.run(['inkscape', '-e', filename, '-b', 'white',
                         '-w', str(x), '-h', str(y),
                         'misc/cheatsheet.svg'], check=True)
+        subprocess.run(['optipng', filename], check=True)
 
 
 def main():