diff --git a/.github/workflows/build-and-test.yml b/.github/workflows/build-and-test.yml
index 4a5153b..a3b3650 100644
--- a/.github/workflows/build-and-test.yml
+++ b/.github/workflows/build-and-test.yml
@@ -87,7 +87,6 @@ jobs:
           image_repo: ${{ env.IMAGE_REPO}}
           version: ${{ env.VERSION }}
           variant: ${{ env.VARIANT }}
-          action_version: ${{ steps.meta.outputs.tags || 'latest' }}
 
       - name: Rename ISO
         run: |
diff --git a/README.md b/README.md
index e11a6cb..82217f9 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,6 @@ This action is designed to be called from a GitHub workflow using the following
     image_repo: ${{ env.IMAGE_REPO}}
     version: ${{ env.VERSION }}
     variant: ${{ env.VARIANT }}
-    action_version: v1.0.0
 ```
 
 See [Customizing](#customizing) for information about customizing the ISO that gets created using `with`
diff --git a/action.yml b/action.yml
index 985bd01..8cedd8d 100644
--- a/action.yml
+++ b/action.yml
@@ -31,8 +31,8 @@ inputs:
     default: "false"
   action_version:
     description: Version of the action container to run
-    required: true
-    default: "latest"
+    deprecationMessage: No longer used. github.action_ref replaces the need for this. Will be removed in a future version.
+    required: false
   additional_templates:
     description: Space delimetered list of additional Lorax templates to include
     required: false
@@ -43,7 +43,10 @@ runs:
     - name: Run docker image
       shell: bash
       run: |
-        docker run --privileged --volume .:/github/workspace/ ghcr.io/jasonn3/build-container-installer:${{ inputs.action_version }} \
+        # Check if running inside of the action repo
+        if [[ -z "${{ github.action_ref }}" ]]; then if [[ "${{ github.ref_name }}" =~ (.*)/merge ]]; then tag=pr-${BASH_REMATCH[1]}; else tag=${{ github.ref_name }}; fi; fi
+        if [[ -z "${tag}" ]]; then tag=${{ github.action_ref }}; fi
+        docker run --privileged --volume .:/github/workspace/ ghcr.io/jasonn3/build-container-installer:${tag} \
           ARCH=${{ inputs.arch }} \
           IMAGE_NAME=${{ inputs.image_name }} \
           IMAGE_REPO=${{ inputs.image_repo }} \