diff --git a/action.yml b/action.yml
index 4e3641cfb..595f2e1b1 100644
--- a/action.yml
+++ b/action.yml
@@ -11,64 +11,21 @@ runs:
     - name: Increment version
       id: increment_version
       uses: actions/github-script@v6.3.3
+      env:
+        SHA: ${{ github.sha }}
       with:
         github-token: ${{inputs.github-token}}
         result-encoding: string
         script: |
-          let latestReleaseVersion = '';
-
-          try {
-            const getLatestReleaseParams = {
-              owner: context.repo.owner,
-              repo: context.repo.repo
-            };
-            console.log("call repos.getLatestRelease:", getLatestReleaseParams);
-            const latestRelease = await github.rest.repos.getLatestRelease(getLatestReleaseParams);
-            latestReleaseVersion = latestRelease.data.tag_name;
-          } catch (e) {
-            if (e.status === 404) {
-              latestReleaseVersion = 'v0.0.0';
-            } else {
-              throw e;
-            }
-          }
-
-          const listPullRequestsAssociatedWithCommitParams = {
-            owner: context.repo.owner,
-            repo: context.repo.repo,
-            commit_sha: '${{ github.sha }}',
-          };
-          console.log("call repos.listPullRequestsAssociatedWithCommit:", listPullRequestsAssociatedWithCommitParams);
-          const pulls = await github.paginate(
-            github.rest.repos.listPullRequestsAssociatedWithCommit,
-            listPullRequestsAssociatedWithCommitParams
-          );
-          const labels = pulls.flatMap(p => p.labels.map(l => l.name));
-          const tagNames = latestReleaseVersion.split('.');
-          let version = [];
-
-          if (labels.includes('major release')) {
-            version = [`v${Number(tagNames[0].replace('v', '')) + 1}`, 0, 0];
-          } else if (labels.includes('minor release')) {
-            version = [tagNames[0], Number(tagNames[1]) + 1, 0];
-          } else {
-            version = [tagNames[0], tagNames[1], Number(tagNames[2]) + 1];
-          }
-
-          return version.join('.');
+          const script = require('${{ github.action_path }}/scripts/action/increment_version.js')
+          return await script({github, context})
     - name: Create release
       uses: actions/github-script@v6.3.3
       env:
         GITHUB_REF: ${{env.GITHUB_REF}}
+        TAG_NAME: ${{ steps.increment_version.outputs.result }}
       with:
         github-token: ${{inputs.github-token}}
         script: |
-          const createReleaseParams = {
-            owner: context.repo.owner,
-            repo: context.repo.repo,
-            tag_name: '${{ steps.increment_version.outputs.result }}',
-            target_commitish: process.env['GITHUB_REF'],
-            generate_release_notes: true
-          };
-          console.log("call repos.createRelease:", createReleaseParams);
-          await github.rest.repos.createRelease(createReleaseParams);
+          const script = require('${{ github.action_path }}/scripts/action/create_release.js')
+          return await script({github, context})
diff --git a/scripts/action/create_release.js b/scripts/action/create_release.js
new file mode 100644
index 000000000..4f9e7fdfe
--- /dev/null
+++ b/scripts/action/create_release.js
@@ -0,0 +1,11 @@
+module.exports = async ({ github, context }) => {
+  const createReleaseParams = {
+    owner: context.repo.owner,
+    repo: context.repo.repo,
+    tag_name: process.env.TAG_NAME,
+    target_commitish: process.env.GITHUB_REF,
+    generate_release_notes: true
+  }
+  console.log('call repos.createRelease:', createReleaseParams)
+  await github.rest.repos.createRelease(createReleaseParams)
+}
diff --git a/scripts/action/increment_version.js b/scripts/action/increment_version.js
new file mode 100644
index 000000000..b259ed177
--- /dev/null
+++ b/scripts/action/increment_version.js
@@ -0,0 +1,43 @@
+module.exports = async ({ github, context }) => {
+  let latestReleaseVersion = ''
+
+  try {
+    const getLatestReleaseParams = {
+      owner: context.repo.owner,
+      repo: context.repo.repo
+    }
+    console.log('call repos.getLatestRelease:', getLatestReleaseParams)
+    const latestRelease = await github.rest.repos.getLatestRelease(getLatestReleaseParams)
+    latestReleaseVersion = latestRelease.data.tag_name
+  } catch (e) {
+    if (e.status === 404) {
+      latestReleaseVersion = 'v0.0.0'
+    } else {
+      throw e
+    }
+  }
+
+  const listPullRequestsAssociatedWithCommitParams = {
+    owner: context.repo.owner,
+    repo: context.repo.repo,
+    commit_sha: process.env.SHA
+  }
+  console.log('call repos.listPullRequestsAssociatedWithCommit:', listPullRequestsAssociatedWithCommitParams)
+  const pulls = await github.paginate(
+    github.rest.repos.listPullRequestsAssociatedWithCommit,
+    listPullRequestsAssociatedWithCommitParams
+  )
+  const labels = pulls.flatMap(p => p.labels.map(l => l.name))
+  const tagNames = latestReleaseVersion.split('.')
+  let version
+
+  if (labels.includes('major release')) {
+    version = [`v${Number(tagNames[0].replace('v', '')) + 1}`, 0, 0]
+  } else if (labels.includes('minor release')) {
+    version = [tagNames[0], Number(tagNames[1]) + 1, 0]
+  } else {
+    version = [tagNames[0], tagNames[1], Number(tagNames[2]) + 1]
+  }
+
+  return version.join('.')
+}