diff --git a/.github/workflows/update-dev-container-version.yml b/.github/workflows/update-dev-container-version.yml
index 33dee365..9205772d 100644
--- a/.github/workflows/update-dev-container-version.yml
+++ b/.github/workflows/update-dev-container-version.yml
@@ -1,150 +1,150 @@
 name: Update Dev Container Image version
 on:
-    workflow_call:
-        inputs:
-            base_branch:
-                required: false
-                type: string
-                default: main
-        secrets:
-            AUTOMERGE_APP_ID:
-                required: true
-            AUTOMERGE_PEM:
-                required: true
+  workflow_call:
+    inputs:
+      base_branch:
+        required: false
+        type: string
+        default: main
+    secrets:
+      CREATE_PULL_REQUEST_APP_ID:
+        required: true
+      CREATE_PULL_REQUEST_PEM:
+        required: true
 jobs:
-    update_devcontainer_version:
-        runs-on: ubuntu-22.04
-        permissions:
-            contents: read
-            packages: read
-            pull-requests: write
-        steps:
-            - name: Checkout code
-              uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
-              with:
-                  fetch-depth: 0
-            - name: Load config value
-              id: load-config
-              run: >
-                  DEVCONTAINER_IMAGE=$(jq -r '.build.args.IMAGE_NAME'
-                  .devcontainer/devcontainer.json)
+  update_devcontainer_version:
+    runs-on: ubuntu-22.04
+    permissions:
+      contents: read
+      packages: read
+      pull-requests: write
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
+        with:
+          fetch-depth: 0
+      - name: Load config value
+        id: load-config
+        run: |
+          set -euo pipefail
+          DEVCONTAINER_IMAGE=$(jq -r '.build.args.IMAGE_NAME'
+          .devcontainer/devcontainer.json)
 
-                  DEVCONTAINER_VERSION=$(jq -r '.build.args.IMAGE_VERSION'
-                  .devcontainer/devcontainer.json)
+          DEVCONTAINER_VERSION=$(jq -r '.build.args.IMAGE_VERSION'
+          .devcontainer/devcontainer.json)
 
-                  {
-                    echo "DEVCONTAINER_IMAGE=$DEVCONTAINER_IMAGE"
-                    echo "DEVCONTAINER_VERSION=$DEVCONTAINER_VERSION"
-                  } >> "$GITHUB_ENV"
-            - name: Resolve latest devcontainer image version from GHCR
-              id: resolve-version
-              env:
-                  GH_TOKEN: "${{ github.token }}"
-              run: >
-                  set -euo pipefail
+          {
+            echo "DEVCONTAINER_IMAGE=$DEVCONTAINER_IMAGE"
+            echo "DEVCONTAINER_VERSION=$DEVCONTAINER_VERSION"
+          } >> "$GITHUB_ENV"
+      - name: Resolve latest devcontainer image version from GHCR
+        id: resolve-version
+        env:
+          GH_TOKEN: "${{ github.token }}"
+        run: |
+          set -euo pipefail
 
 
-                  PACKAGE_NAME="eps-devcontainers/${DEVCONTAINER_IMAGE}"
+          PACKAGE_NAME="eps-devcontainers/${DEVCONTAINER_IMAGE}"
 
-                  ENCODED_PACKAGE_NAME=$(python3 -c 'import sys, urllib.parse;
-                  print(urllib.parse.quote(sys.argv[1], safe=""))' "$PACKAGE_NAME")
+          ENCODED_PACKAGE_NAME=$(python3 -c 'import sys, urllib.parse;
+          print(urllib.parse.quote(sys.argv[1], safe=""))' "$PACKAGE_NAME")
 
 
-                  VERSIONS_JSON=$(gh api \
-                    -H "Accept: application/vnd.github+json" \
-                    "/orgs/NHSDigital/packages/container/${ENCODED_PACKAGE_NAME}/versions?per_page=100")
+          VERSIONS_JSON=$(gh api \
+            -H "Accept: application/vnd.github+json" \
+            "/orgs/NHSDigital/packages/container/${ENCODED_PACKAGE_NAME}/versions?per_page=100")
 
-                  LATEST_VIA_LATEST_TAG=$(jq -r '
-                    [ .[]
-                      | select((.metadata.container.tags // []) | index("latest"))
-                    ]
-                    | sort_by(.created_at)
-                    | reverse
-                    | .[0].metadata.container.tags // []
-                    | map(select(test("^v")))
-                    | .[0] // empty
-                  ' <<< "$VERSIONS_JSON")
+          LATEST_VIA_LATEST_TAG=$(jq -r '
+            [ .[]
+              | select((.metadata.container.tags // []) | index("latest"))
+            ]
+            | sort_by(.created_at)
+            | reverse
+            | .[0].metadata.container.tags // []
+            | map(select(test("^v")))
+            | .[0] // empty
+          ' <<< "$VERSIONS_JSON")
 
 
-                  LATEST_V_TAG=$(jq -r '
-                    [ .[]
-                      | {created_at, tags: (.metadata.container.tags // [])}
-                    ]
-                    | sort_by(.created_at)
-                    | reverse
-                    | map(.tags[]? | select(test("^v")))
-                    | .[0] // empty
-                  ' <<< "$VERSIONS_JSON")
+          LATEST_V_TAG=$(jq -r '
+            [ .[]
+              | {created_at, tags: (.metadata.container.tags // [])}
+            ]
+            | sort_by(.created_at)
+            | reverse
+            | map(.tags[]? | select(test("^v")))
+            | .[0] // empty
+          ' <<< "$VERSIONS_JSON")
 
 
-                  RESOLVED_VERSION="$LATEST_VIA_LATEST_TAG"
+          RESOLVED_VERSION="$LATEST_VIA_LATEST_TAG"
 
-                  if [[ -z "$RESOLVED_VERSION" ]]; then
-                    RESOLVED_VERSION="$LATEST_V_TAG"
-                  fi
+          if [[ -z "$RESOLVED_VERSION" ]]; then
+            RESOLVED_VERSION="$LATEST_V_TAG"
+          fi
 
 
-                  if [[ -z "$RESOLVED_VERSION" ]]; then
-                    echo "No version tag matching ^v found for package ${PACKAGE_NAME}" >&2
-                    exit 1
-                  fi
+          if [[ -z "$RESOLVED_VERSION" ]]; then
+            echo "No version tag matching ^v found for package ${PACKAGE_NAME}" >&2
+            exit 1
+          fi
 
 
-                  echo "Resolved latest version: ${RESOLVED_VERSION}"
+          echo "Resolved latest version: ${RESOLVED_VERSION}"
 
-                  echo "LATEST_DEVCONTAINER_VERSION=${RESOLVED_VERSION}" >>
-                  "$GITHUB_ENV"
+          echo "LATEST_DEVCONTAINER_VERSION=${RESOLVED_VERSION}" >> "$GITHUB_ENV"
 
-                  echo "latest_version=${RESOLVED_VERSION}" >> "$GITHUB_OUTPUT"
-            - name: Update devcontainer version in config
-              run: >
-                  set -euo pipefail
+          echo "latest_version=${RESOLVED_VERSION}" >> "$GITHUB_OUTPUT"
+      - name: Update devcontainer version in config
+        run: |
+          set -euo pipefail
 
 
-                  TARGET_VERSION='${{ steps.resolve-version.outputs.latest_version }}'
+          TARGET_VERSION='${{ steps.resolve-version.outputs.latest_version }}'
 
-                  if [[ "$TARGET_VERSION" == "$DEVCONTAINER_VERSION" ]]; then
-                    echo "IMAGE_VERSION is already up to date (${DEVCONTAINER_VERSION})"
-                    exit 0
-                  fi
+          if [[ "$TARGET_VERSION" == "$DEVCONTAINER_VERSION" ]]; then
+            echo "IMAGE_VERSION is already up to date (${DEVCONTAINER_VERSION})"
+            exit 0
+          fi
 
 
-                  python3 - <<'PY'
+          python3 - <<'PY'
 
-                  import json
+          import json
 
-                  from pathlib import Path
+          from pathlib import Path
 
 
-                  config_file = Path('.devcontainer/devcontainer.json')
+          config_file = Path('.devcontainer/devcontainer.json')
 
-                  config = json.loads(config_file.read_text())
+          config = json.loads(config_file.read_text())
 
-                  config['build']['args']['IMAGE_VERSION'] = '${{
-                  steps.resolve-version.outputs.latest_version }}'
+          config['build']['args']['IMAGE_VERSION'] = '${{
+          steps.resolve-version.outputs.latest_version }}'
 
-                  config_file.write_text(json.dumps(config, indent=2) + '\n')
+          config_file.write_text(json.dumps(config, indent=2) + '\n')
 
-                  PY
+          PY
 
 
-                  echo "Updated IMAGE_VERSION from ${DEVCONTAINER_VERSION} to
-                  ${LATEST_DEVCONTAINER_VERSION}"
-            - name: Create GitHub App Token
-              uses: actions/create-github-app-token@f8d387b68d61c58ab83c6c016672934102569859
-              id: generate-token
-              with:
-                  app-id: "${{ secrets.AUTOMERGE_APP_ID }}"
-                  private-key: "${{ secrets.AUTOMERGE_PEM }}"
-            - name: Create Pull Request
-              uses: peter-evans/create-pull-request@c0f553fe549906ede9cf27b5156039d195d2ece0
-              with:
-                  token: "${{ steps.generate-token.outputs.token }}"
-                  commit-message: Update devcontainer image version to ${{ steps.resolve-version.outputs.latest_version }}
-                  title: "Upgrade: [dependabot] - Update devcontainer image version to ${{ steps.resolve-version.outputs.latest_version }}"
-                  body: "This PR updates the devcontainer image version to ${{ steps.resolve-version.outputs.latest_version }}."
-                  add-paths: .devcontainer/devcontainer.json
-                  sign-commits: true
-                  base: "${{ inputs.base_branch }}"
-                  delete-branch: true
-                  branch: update-devcontainer-version
+          echo "Updated IMAGE_VERSION from ${DEVCONTAINER_VERSION} to
+          ${LATEST_DEVCONTAINER_VERSION}"
+      - name: Create GitHub App Token
+        uses: actions/create-github-app-token@f8d387b68d61c58ab83c6c016672934102569859
+        id: generate-token
+        with:
+          app-id: "${{ secrets.CREATE_PULL_REQUEST_APP_ID }}"
+          private-key: "${{ secrets.CREATE_PULL_REQUEST_PEM }}"
+      - name: Create Pull Request
+        uses: peter-evans/create-pull-request@c0f553fe549906ede9cf27b5156039d195d2ece0
+        with:
+          token: "${{ steps.generate-token.outputs.token }}"
+          commit-message: Update devcontainer image version to ${{ steps.resolve-version.outputs.latest_version }}
+          title: "Upgrade: [dependabot] - Update devcontainer image version to ${{ steps.resolve-version.outputs.latest_version }}"
+          body: "This PR updates the devcontainer image version to ${{ steps.resolve-version.outputs.latest_version }}."
+          add-paths: .devcontainer/devcontainer.json
+          sign-commits: true
+          base: "${{ inputs.base_branch }}"
+          delete-branch: true
+          branch: update-devcontainer-version
diff --git a/README.md b/README.md
index 6ef77496..37a6363c 100644
--- a/README.md
+++ b/README.md
@@ -257,7 +257,7 @@ This workflow updates `.devcontainer/devcontainer.json` with the latest publishe
 #### Requirements
 
 - `.devcontainer/devcontainer.json` must include `build.args.IMAGE_NAME` and `build.args.IMAGE_VERSION`.
-- `AUTOMERGE_APP_ID` and `AUTOMERGE_PEM` secrets must be configured so the workflow can create a GitHub App token for PR creation.
+- `CREATE_PULL_REQUEST_APP_ID` and `CREATE_PULL_REQUEST_PEM` secrets must be configured so the workflow can create a GitHub App token for PR creation.
 
 #### Inputs
 
@@ -265,8 +265,8 @@ This workflow updates `.devcontainer/devcontainer.json` with the latest publishe
 
 #### Secret Inputs
 
-- `AUTOMERGE_APP_ID`: GitHub App ID used to generate an installation token.
-- `AUTOMERGE_PEM`: GitHub App private key used to generate an installation token.
+- `CREATE_PULL_REQUEST_APP_ID`: GitHub App ID used to generate an installation token.
+- `CREATE_PULL_REQUEST_PEM`: GitHub App private key used to generate an installation token.
 
 #### Outputs
 
@@ -288,8 +288,8 @@ jobs:
     with:
       base_branch: main
     secrets:
-      AUTOMERGE_APP_ID: ${{ secrets.AUTOMERGE_APP_ID }}
-      AUTOMERGE_PEM: ${{ secrets.AUTOMERGE_PEM }}
+      CREATE_PULL_REQUEST_APP_ID: ${{ secrets.CREATE_PULL_REQUEST_APP_ID }}
+      CREATE_PULL_REQUEST_PEM: ${{ secrets.CREATE_PULL_REQUEST_PEM }}
 ```
 
 ## Tag Release