diff --git a/prototype_source/vulkan_workflow.rst b/prototype_source/vulkan_workflow.rst
index 2f78ac97d74..c7fbe34f5cd 100644
--- a/prototype_source/vulkan_workflow.rst
+++ b/prototype_source/vulkan_workflow.rst
@@ -1,3 +1,6 @@
+.. note::
+    PyTorch Vulkan Backend is no longer maintained. Please review the `ExecuTorch Vulkan Delegate <https://pytorch.org/executorch/stable/native-delegates-executorch-vulkan-delegate.html>`_ implementation instead.
+
 PyTorch Vulkan Backend User Workflow
 ====================================