diff --git a/.github/workflows/auto-tag.yml b/.github/workflows/auto-tag.yml
index 9267c57..33446ca 100644
--- a/.github/workflows/auto-tag.yml
+++ b/.github/workflows/auto-tag.yml
@@ -1,3 +1,4 @@
+name: Auto-tag
 on:
   push:
     tags:
@@ -8,7 +9,4 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Auto-tag
-        uses: emteknetnz/gha-auto-tag@main
-        with:
-          ref: ${{ github.ref }}
-          sha: ${{ github.sha }}
+        uses: silverstripe/gha-auto-tag@main
diff --git a/README.md b/README.md
index fb04cd5..5fabfae 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@ Using the 'v' prefix to avoid confusion with the '2' branch naming convention th
 
 ## Usage
 
-.github/workflows/auto-tag.yml
+**.github/workflows/auto-tag.yml**
 ```yml
 on:
   push:
@@ -27,8 +27,4 @@ jobs:
     steps:
       - name: Auto-tag
         uses: silverstripe/gha-auto-tag@main
-        with:
-          ref: ${{ github.ref }}
-          sha: ${{ github.sha }}
-
 ```
diff --git a/action.yml b/action.yml
index 0c7e68e..37c9d3c 100644
--- a/action.yml
+++ b/action.yml
@@ -1,36 +1,20 @@
 name: Auto-tag
 description: Automatically delete and re-release tags so that other github action modules can use something similar to carets e.g. v0.1 or v3
-inputs:
-  ref:
-    type: string
-    required: true
-    description: github.ref when workflow is triggered by x.y.z semver tag e.g. refs/tags/0.1.23
-  sha:
-    type: string
-    required: true
-    description: SHA of the tag
 
 runs:
   using: composite
   steps:
-    - name: Validate inputs
+    - name: Validate ref
       shell: bash
       env:
-        REF: ${{ inputs.ref }}
-        SHA: ${{ inputs.sha }}
+        REF: ${{ github.ref }}
       run: |
         # refs/tags/0.1.23 => 0.1.23
         TAG=$(echo $REF | cut -c 11-)
         if [[ "$TAG" =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
-          echo "Valid tag $TAG"
+          echo "Valid semver tag $TAG"
         else
-          echo "Invalid tag $TAG"
-          exit 1
-        fi
-        if [[ "$SHA" =~ ^[0-9a-f]{40}$ ]]; then
-          echo "Valid sha $SHA"
-        else
-          echo "Invalid sha $SHA"
+          echo "Invalid semver tag $TAG"
           exit 1
         fi
 
@@ -38,7 +22,7 @@ runs:
       id: generate_tag_name
       shell: bash
       env:
-        REF: ${{ inputs.ref }}
+        REF: ${{ github.ref }}
       run: |
         # refs/tags/0.1.23 => 0.1.23
         TAG=$(echo $REF | cut -c 11-)
@@ -54,9 +38,9 @@ runs:
         echo "::set-output name=tag::$NEW_TAG"
 
     - name: Add tag to repo
-      uses: silverstripe/gha-tag-release@main
+      # TODO: change to silverstripe/gha-tag-release
+      uses: emteknetnz/gha-tag-release@main
       with:
-        sha: ${{ github.sha }}
         tag: ${{ steps.generate_tag_name.outputs.tag }}
         delete_existing: true
         release: false