diff --git a/static/dereth_highres.png b/static/dereth_highres.png
new file mode 100644
index 00000000..a3495056
Binary files /dev/null and b/static/dereth_highres.png differ
diff --git a/static/index.html b/static/index.html
index 066658b7..db6c895f 100644
--- a/static/index.html
+++ b/static/index.html
@@ -114,7 +114,7 @@
   <!-- Main map container showing terrain and player data -->
   <div id="mapContainer">
     <div id="mapGroup">
-      <img id="map" src="dereth.png" alt="Dereth map">
+      <img id="map" src="dereth_highres.png" alt="Dereth map">
       <canvas id="heatmapCanvas"></canvas>
       <svg id="trails"></svg>
       <div id="dots"></div>