diff --git a/pnpm-install/action.yaml b/pnpm-install/action.yaml
index a19ed63..f9d863b 100644
--- a/pnpm-install/action.yaml
+++ b/pnpm-install/action.yaml
@@ -8,6 +8,9 @@ inputs:
   pnpm-version:
     description: "pnpm version (optional)"
     required: false
+  registry-url:
+    description: "Optional registry to set up for auth. Will set the registry in a project level .npmrc and .yarnrc file, and set up auth to read in from env.NODE_AUTH_TOKEN. (optional)"
+    required: false
 
 runs:
   using: "composite"
@@ -16,6 +19,7 @@ runs:
       uses: actions/setup-node@v4
       with:
         node-version: ${{ inputs.node-version }}
+        registry-url: ${{ inputs.registry-url }}
 
     - uses: pnpm/action-setup@v4
       name: Install pnpm