diff --git a/assets/images/partners/Jane_Street.png b/assets/images/partners/Jane_Street.png
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Binary files /dev/null and b/assets/images/partners/Jane_Street.png differ
diff --git a/events/2026-amerihac.markdown b/events/2026-amerihac.markdown
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--- a/events/2026-amerihac.markdown
+++ b/events/2026-amerihac.markdown
@@ -36,4 +36,4 @@ The Haskell Foundation is excited to see you there!
 Register here: [https://forms.gle/3dZvn3VAvwa3JgJK8](https://forms.gle/3dZvn3VAvwa3JgJK8)
 
 
-<div class="flex flex-wrap items-center justify-center"><a class="block w-48" style="margin-right: 4rem"><img src="/assets/images/partners/ost_logo-400.png"></a><a class="block w-48" style="margin-left: 4rem;"><img src="/assets/images/logos/hf-logo-400px-alpha.png"></a></div>
+<div class="flex flex-wrap items-center justify-center"><a class="block w-48" style="margin-right: 4rem"><img src="/assets/images/partners/Jane_Street.png"></a><a class="block w-48" style="margin-left: 4rem;"><img src="/assets/images/logos/hf-logo-400px-alpha.png"></a></div>