diff --git a/action.cjs b/action.cjs
index e53ae06b..7819aa5d 100644
--- a/action.cjs
+++ b/action.cjs
@@ -4,11 +4,17 @@ function hashFiles (filename) {
   return fs.existsSync(filename)
 }
 
-module.exports = async ({ github, context, inputs, steps, actionPath, core }) => {
+module.exports = async ({ github, context, inputs, actionPath, core }) => {
+  // changed-files steps
+  let changedFiles = []
+
   // reviewdog-enabled-pr steps
   let reviewdogEnabledPr = false
-  if (inputs.enabled === 'true' && inputs.baseline_scan_only !== 'false' && steps['changed-files'].outputs.all_changed_files !== '' && process.env.GITHUB_EVENT_NAME === 'pull_request' && context.payload.pull_request.draft === false && context.actor !== 'dependabot[bot]') {
+  if (inputs.enabled === 'true' && inputs.baseline_scan_only !== 'false' && process.env.GITHUB_EVENT_NAME === 'pull_request' && context.payload.pull_request.draft === false && context.actor !== 'dependabot[bot]') {
+    const { default: pullRequestChangedFiles } = await import(`${actionPath}/src/pullRequestChangedFiles.js`)
+
     reviewdogEnabledPr = true
+    changedFiles = pullRequestChangedFiles({ github, owner: context.repo.owner, name: context.repo.repo, prnumber: context.payload.pull_request.number })
   }
   // reviewdog-enabled-full steps
   let reviewdogEnabledFull = false
@@ -23,7 +29,7 @@ module.exports = async ({ github, context, inputs, steps, actionPath, core }) =>
   // Write changed files to file
   if (reviewdogEnabledPr) {
     const fs = require('fs')
-    fs.writeFileSync(`${actionPath}/assets/all_changed_files.txt`, steps['changed-files'].outputs.all_changed_files)
+    fs.writeFileSync(`${actionPath}/assets/all_changed_files.txt`, changedFiles.join('\0'))
   }
   // comments-before steps
   let commentsBefore = null
diff --git a/action.yml b/action.yml
index 52e69ae4..24647395 100644
--- a/action.yml
+++ b/action.yml
@@ -84,14 +84,8 @@ outputs:
 runs:
   using: 'composite'
   steps:
-    - name: Get changed files
-      if: ${{ inputs.enabled == 'true' && github.event_name == 'pull_request' }}
-      id: changed-files
-      uses: tj-actions/changed-files@0874344d6ebbaa00a27da73276ae7162fadcaf69 # v44.3.0
-      with:
-        separator: '\0'
     - name: Store reviewdog enabled for PR
-      if: ${{ inputs.enabled == 'true' && inputs.baseline_scan_only != 'false' && steps.changed-files.outputs.all_changed_files != '' && github.event_name == 'pull_request' && github.event.pull_request.draft == false && github.actor != 'dependabot[bot]' }}
+      if: ${{ inputs.enabled == 'true' && inputs.baseline_scan_only != 'false' && github.event_name == 'pull_request' && github.event.pull_request.draft == false && github.actor != 'dependabot[bot]' }}
       id: reviewdog-enabled-pr
       uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1
       with:
@@ -146,10 +140,9 @@ runs:
         script: |
           const actionPath = '${{ github.action_path }}'
           const inputs = ${{ toJson(inputs) }}
-          const steps = ${{ toJson(steps) }}
 
           const script = require(`${actionPath}/action.cjs`)
-          await script({github, context, inputs, steps, actionPath, core})
+          await script({github, context, inputs, actionPath, core})
 
     - uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1
       with: