diff --git a/README.md b/README.md
index ecfa261..42125c7 100644
--- a/README.md
+++ b/README.md
@@ -5,6 +5,27 @@
 
 ---
 
+## Sponsors
+
+We gratefully acknowledge support from our sponsors:
+
+<div align="center">
+  <a href="https://stytch.com">
+    <picture>
+      <source width="200px" media="(prefers-color-scheme: dark)" srcset="./sponsor/stytch-light.svg">
+      <source width="200px" media="(prefers-color-scheme: light)" srcset="./sponsor/stytch-dark.svg">
+      <img width="200px" src="./sponsor/stytch-dark.svg" />
+    </picture>
+  </a>
+   <p align="center">
+      <a href="https://stytch.com/?utm_source=oss-sponsorship&utm_medium=paid_sponsorship&utm_campaign=xmlcrypto">
+        <b>The identity platform for humans & AI agents</b><br/>
+        One integration for authentication, authorization, and security
+      </a>
+   </p>
+</div>
+---
+
 # Upgrading
 
 The `.getReferences()` AND the `.references` APIs are deprecated.
diff --git a/sponsor/stytch-dark.svg b/sponsor/stytch-dark.svg
new file mode 100644
index 0000000..441f8f8
--- /dev/null
+++ b/sponsor/stytch-dark.svg
@@ -0,0 +1,3 @@
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+</svg> 
\ No newline at end of file
diff --git a/sponsor/stytch-light.svg b/sponsor/stytch-light.svg
new file mode 100644
index 0000000..3df3a72
--- /dev/null
+++ b/sponsor/stytch-light.svg
@@ -0,0 +1,3 @@
+<svg width="343" height="106" viewBox="0 0 343 106" fill="none" xmlns="http://www.w3.org/2000/svg">
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