diff --git a/README.md b/README.md
index 0e9df77..a691596 100644
--- a/README.md
+++ b/README.md
@@ -183,8 +183,8 @@ Thanks to [linux.do](https://linux.do) — a vibrant tech community where this p
 
 <a href="https://www.star-history.com/?repos=AaronL725%2Fgrok-register&type=date&legend=top-left">
  <picture>
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-   <img alt="Star History Chart" src="https://api.star-history.com/chart?repos=AaronL725/grok-register&type=date&legend=top-left&v=20260704" />
+   <source media="(prefers-color-scheme: dark)" srcset="https://api.star-history.com/chart?repos=AaronL725/grok-register&type=date&theme=dark&legend=top-left" />
+   <source media="(prefers-color-scheme: light)" srcset="https://api.star-history.com/chart?repos=AaronL725/grok-register&type=date&legend=top-left" />
+   <img alt="Star History Chart" src="https://api.star-history.com/chart?repos=AaronL725/grok-register&type=date&legend=top-left" />
  </picture>
 </a>
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