diff --git a/.github/workflows/release-please.yml b/.github/workflows/release-please.yml
index b9a3b13..d17988e 100644
--- a/.github/workflows/release-please.yml
+++ b/.github/workflows/release-please.yml
@@ -1,44 +1,14 @@
 on:
    push:
      branches:
-       - master
+       - 4.x.x
 name: release-please
 jobs:
   release-please:
     runs-on: ubuntu-latest
     steps:
-      - uses: bcoe/release-please-action@v2.5.5
+      - uses: bcoe/release-please-action@v2
         id: release
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
-          release-type: node
-          package-name: y18n
-      - uses: actions/checkout@v2
-      - uses: actions/setup-node@v1
-        with:
-          node-version: 14
-      - run: npm install
-      - run: npm run compile
-      - name: push Deno release
-        run: |
-          git config user.name github-actions[bot]
-          git config user.email 41898282+github-actions[bot]@users.noreply.github.com
-          git remote add gh-token "https://${{ secrets.GITHUB_TOKEN}}@github.com/yargs/y18n.git"
-          git checkout -b deno
-          git add -f build
-          git commit -a -m 'chore: ${{ steps.release.outputs.tag_name }} release'
-          git push origin +deno
-          git tag -a ${{ steps.release.outputs.tag_name }}-deno -m 'chore: ${{ steps.release.outputs.tag_name }} release'
-          git push origin ${{ steps.release.outputs.tag_name }}-deno
-        if: ${{ steps.release.outputs.release_created }}
-      - uses: actions/setup-node@v1
-        with:
-          node-version: 14
-          registry-url: 'https://external-dot-oss-automation.appspot.com/'
-        if: ${{ steps.release.outputs.release_created }}
-      - run: npm install
-        if: ${{ steps.release.outputs.release_created }}
-      - run: npm publish
-        env:
-          NODE_AUTH_TOKEN: ${{secrets.NPM_TOKEN}}
-        if: ${{ steps.release.outputs.release_created }}
+          command: manifest
diff --git a/.release-please-manifest.json b/.release-please-manifest.json
new file mode 100644
index 0000000..cbecc51
--- /dev/null
+++ b/.release-please-manifest.json
@@ -0,0 +1,3 @@
+{
+  ".": "4.0.1",
+}
diff --git a/package.json b/package.json
index ba71318..8e2a64d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "y18n",
-  "version": "5.0.4",
+  "version": "4.0.1",
   "description": "the bare-bones internationalization library used by yargs",
   "exports": {
     ".": [
diff --git a/release-please-config.json b/release-please-config.json
new file mode 100644
index 0000000..25edcf3
--- /dev/null
+++ b/release-please-config.json
@@ -0,0 +1,8 @@
+{
+  "bootstrap-sha": "a9ac604abf756dec9687be3843e2c93bfe581f25",
+  "packages": {
+    ".": {
+      "release-type": "node"
+    }
+  }
+}