diff --git a/.github/actions/publish-pypi/action.yml b/.github/actions/publish-pypi/action.yml
index 8fdf6de7..a33290a7 100644
--- a/.github/actions/publish-pypi/action.yml
+++ b/.github/actions/publish-pypi/action.yml
@@ -1,10 +1,9 @@
-# requires github environment with PYPI_REPOSITORY_URL defined
 name: Publish PyPI
 
 inputs:
-  deploy-to:
+  pypi-repository-url:
     description: The PyPI index to publish to, test or prod
-    default: "prod"
+    required: true
   build-command:
     description: The command to build distributable artifacts
     default: "hatch build"
@@ -26,4 +25,4 @@ runs:
     - name: Publish artifacts
       uses: pypa/gh-action-pypi-publish@release/v1
       with:
-        url: ${{ vars.PYPI_REPOSITORY_URL }}
+        url: ${{ inputs.pypi-repository-url }}
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 1b37286f..ca89bacb 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -58,4 +58,4 @@ jobs:
       - name: Publish to PyPI
         uses: ./.github/actions/publish-pypi
         with:
-          deploy-to: ${{ inputs.deploy-to }}
+          pypi-repository-url: ${{ vars.PYPI_REPOSITORY_URL }}