diff --git a/docs/vendor/testing-supported-clusters.md b/docs/vendor/testing-supported-clusters.md
index 87f735418..f1906d464 100644
--- a/docs/vendor/testing-supported-clusters.md
+++ b/docs/vendor/testing-supported-clusters.md
@@ -359,7 +359,7 @@ Compatibility Matrix supports creating [Google GKE](https://cloud.google.com/kub
   </tr>
   <tr>
     <th>Supported Kubernetes Versions</th>
-    <td>1.28, 1.29, 1.30</td>
+    <td>1.28, 1.29, 1.30, 1.31</td>
   </tr>
   <tr>
     <th>Supported Instance Types</th>