diff --git a/.circleci/config.yml b/.circleci/config.yml
index 0562663a..b387e88c 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -110,7 +110,7 @@ jobs:
       - run: |
           NPM_PUBLISH_TAG=$([[ $CIRCLE_TAG =~ -[a-z-]+ ]] && echo "pre-release" || echo "latest")
           echo "//registry.npmjs.org/:_authToken=${NPM_AUTH_TOKEN}" > ${HOME}/.npmrc
-          cd ./packages/fetch-mock
+          cd ./packages/fetch-mock-legacy
           npm version --no-git-tag-version $CIRCLE_TAG
           npm publish --access public --tag $NPM_PUBLISH_TAG
 
diff --git a/.github/workflows/release-please.yml b/.github/workflows/release-please.yml
new file mode 100644
index 00000000..52dd8759
--- /dev/null
+++ b/.github/workflows/release-please.yml
@@ -0,0 +1,11 @@
+name: release-please
+on:
+  push:
+    branches:
+      - rhys/release-please3
+
+jobs:
+  release-please:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: google-github-actions/release-please-action@v4
diff --git a/.release-please-manifest.json b/.release-please-manifest.json
new file mode 100644
index 00000000..c14dc327
--- /dev/null
+++ b/.release-please-manifest.json
@@ -0,0 +1,4 @@
+{
+  "packages/fetch-mock-legacy": "10.0.7",
+  "packages/fcore": "2.3.4"
+}
diff --git a/release-please-config.json b/release-please-config.json
new file mode 100644
index 00000000..11d6e5c5
--- /dev/null
+++ b/release-please-config.json
@@ -0,0 +1,40 @@
+{
+  "$schema": "https://raw.githubusercontent.com/googleapis/release-please/main/schemas/config.json",
+  "release-type": "node",
+  "changelog-type": "default",
+  "changelog-sections": [
+    {
+      "type": "feat",
+      "section": "Features",
+      "hidden": false
+    },
+    {
+      "type": "fix",
+      "section": "Bug Fixes",
+      "hidden": false
+    },
+    {
+      "type": "docs",
+      "section": "Documentation Changes",
+      "hidden": false
+    },
+    {
+      "type": "chore",
+      "section": "Miscellaneous",
+      "hidden": true
+    }
+  ],
+
+  "plugins": [
+    "node-workspace"
+  ],
+  "packages": {
+    "packages/fetch-mock-legacy": {},
+    "packages/core": {}
+  },
+  "pull-request-title-pattern": "build${scope}: release${component} ${version}",
+  "pull-request-header": ":rock: I've created a release for you",
+  "prerelease": true,
+  "bump-minor-pre-major": true,
+  "bump-patch-for-minor-pre-major": true
+}