diff --git a/logo-trademark.png b/logo-trademark.png
index b2f45826..436f342b 100644
Binary files a/logo-trademark.png and b/logo-trademark.png differ
diff --git a/logo-trademark.svg b/logo-trademark.svg
index 1b5c51e3..fb4ec5c8 100644
--- a/logo-trademark.svg
+++ b/logo-trademark.svg
@@ -1,4 +1,22 @@
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-<circle cx="100" cy="50" r="50" fill="black" fill-opacity="0.15"/>
-</svg>
+<svg xmlns="http://www.w3.org/2000/svg" width="512" height="512" viewBox="0 0 512 512" role="img">
+  <title>Gymnasium</title>
+  <desc>Gymnasium square logo in black.</desc>
+  <defs>
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+  </defs>
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+    </g>
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