diff --git a/README.md b/README.md
index f91f4279..889a4e72 100644
--- a/README.md
+++ b/README.md
@@ -80,7 +80,7 @@ ECC v2.0.0 adds the public Hermes operator story on top of that reusable layer:
   <sub><strong>Business sponsors</strong></sub><br />
   <a href="https://www.coderabbit.ai"><img src="assets/images/sponsors/coderabbit.png" width="72" alt="CodeRabbit logo" /></a>
   &nbsp;&nbsp;
-  <a href="https://greptile.com"><img src="assets/images/sponsors/greptile.png" width="72" alt="Greptile logo" /></a>
+  <a href="https://www.greptile.com/go/ecc"><img src="assets/images/sponsors/greptile.png" width="72" alt="Greptile logo" /></a>
 </div>
 
 ---
@@ -1776,7 +1776,7 @@ ECC stays free because paid sponsors fund the work. Featured README placement is
 <div align="center">
   <a href="https://www.coderabbit.ai"><img src="assets/images/sponsors/coderabbit.png" width="80" alt="CodeRabbit logo" /></a>
   &nbsp;&nbsp;&nbsp;
-  <a href="https://greptile.com"><img src="assets/images/sponsors/greptile.png" width="80" alt="Greptile logo" /></a>
+  <a href="https://www.greptile.com/go/ecc"><img src="assets/images/sponsors/greptile.png" width="80" alt="Greptile logo" /></a>
   <br />
   <sub><strong>CodeRabbit</strong> · <strong>Greptile</strong></sub>
 </div>
diff --git a/SPONSORS.md b/SPONSORS.md
index aa5ad38f..606b2f5e 100644
--- a/SPONSORS.md
+++ b/SPONSORS.md
@@ -11,7 +11,7 @@ Thank you to everyone funding ECC's open-source work. Your sponsorship is what l
 | Sponsor | Logo | Since |
 |---------|------|-------|
 | [**CodeRabbit**](https://www.coderabbit.ai) | <img src="assets/images/sponsors/coderabbit.png" width="60" alt="CodeRabbit logo" /> | 2026 |
-| [**Greptile**](https://greptile.com) | <img src="assets/images/sponsors/greptile.png" width="60" alt="Greptile logo" /> | 2026 |
+| [**Greptile**](https://www.greptile.com/go/ecc) | <img src="assets/images/sponsors/greptile.png" width="60" alt="Greptile logo" /> | 2026 |
 
 *[Become a Business sponsor](https://github.com/sponsors/affaan-m) to get README sponsor placement + SPONSORS.md listing. No seats, SLA, custom development, or preferential technical placement is bundled unless separately agreed.*
 
diff --git a/assets/images/sponsors/greptile.png b/assets/images/sponsors/greptile.png
index b8cadb2e..10c0a5a7 100644
Binary files a/assets/images/sponsors/greptile.png and b/assets/images/sponsors/greptile.png differ