Actually update
diff --git a/README.md b/README.md
index 585edf3..8f9ebf9 100644
--- a/README.md
+++ b/README.md
@@ -43,7 +43,7 @@
 <a href="https://kraken.tech/"><img title="Kraken Tech" src="docs/_static/sponsors/Kraken.svg" width="190" /></a>
 <a href="https://privacy-solutions.org/"><img title="Privacy Solutions" src="docs/_static/sponsors/Privacy-Solutions.svg" width="190" /></a>
 <a href="https://filepreviews.io/"><img title="FilePreviews" src="docs/_static/sponsors/FilePreviews.svg" width="190" /></a>
-<a href="https://www.testmu.ai/?utm_source=structlog&utm_medium=sponsor"><img title="TestMu AI" src="docs/_static/sponsors/TestMu-AI.svg" width="190" /></a>
+<a href="https://www.testmuai.com/?utm_medium=sponsor&utm_source=structlog"><img title="TestMu AI" src="docs/_static/sponsors/TestMu-AI.svg" width="190" /></a>
 <a href="https://polar.sh/"><img title="Polar" src="docs/_static/sponsors/Polar.svg" width="190" /></a>
 <!-- [[[end]]] -->
 
diff --git a/docs/index.md b/docs/index.md
index 8ed7ade..cf9f52a 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -20,7 +20,7 @@
 <a href="https://kraken.tech/"><img title="Kraken Tech" src="_static/sponsors/Kraken.svg" width="190" /></a>
 <a href="https://privacy-solutions.org/"><img title="Privacy Solutions" src="_static/sponsors/Privacy-Solutions.svg" width="190" /></a>
 <a href="https://filepreviews.io/"><img title="FilePreviews" src="_static/sponsors/FilePreviews.svg" width="190" /></a>
-<a href="https://www.testmu.ai/?utm_source=structlog&utm_medium=sponsor"><img title="TestMu AI" src="_static/sponsors/TestMu-AI.svg" width="190" /></a>
+<a href="https://www.testmuai.com/?utm_medium=sponsor&utm_source=structlog"><img title="TestMu AI" src="_static/sponsors/TestMu-AI.svg" width="190" /></a>
 <a href="https://polar.sh/"><img title="Polar" src="_static/sponsors/Polar.svg" width="190" /></a>
 <!-- [[[end]]] -->