diff --git a/README.md b/README.md
index b4a74c1..d9f12ad 100644
--- a/README.md
+++ b/README.md
@@ -22,6 +22,7 @@ Define the following inputs in your workflow to configure the ShiftLeft actions:
 - `oci_client` (optional): Which client should be used to pull the image. The default `docker` will use the docker daemon. Other options include `podman` and `skopeo`. Note that the binary must be installed and available on the path.
 - `output_json` (optional): path to output JSON results to
 - `commit_sha` (optional): SHA to be associated with the build. By default this uses the $GITHUB_SHA environmental variable
+- `upwind_uri` (optional): URI to be used to communicate with Upwind. This should be one of `upwind.io` (global - default) or `eu.upwind.io` (Europe) 
 
 ## Usage