diff --git a/mybinder/values.yaml b/mybinder/values.yaml
index dbd7291d9..2e0019ef1 100644
--- a/mybinder/values.yaml
+++ b/mybinder/values.yaml
@@ -191,7 +191,7 @@ binderhub:
             })();
           }
     KubernetesBuildExecutor:
-      build_image: quay.io/jupyterhub/repo2docker:2024.07.0-26.g4302a97
+      build_image: quay.io/jupyterhub/repo2docker:2024.07.0-28.g239c4f5
       memory_limit: "3G"
       memory_request: "1G"