diff --git a/.github/workflows/plan-release.yml b/.github/workflows/plan-release.yml
index cca036a..39eb1e3 100644
--- a/.github/workflows/plan-release.yml
+++ b/.github/workflows/plan-release.yml
@@ -2,14 +2,13 @@ name: Release Plan Review
 on:
   push:
     branches:
-      - main
-      - master
+      - 3.x
   pull_request:
     types:
       - labeled
 
 concurrency:
-  group: plan-release # only the latest one of these should ever be running
+  group: plan-3.x-release # only the latest one of these should ever be running
   cancel-in-progress: true
 
 jobs:
@@ -23,14 +22,14 @@ jobs:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
-          ref: 'main'
+          ref: "3.x"
       # This will only cause the `check-plan` job to have a "command" of `release`
       # when the .release-plan.json file was changed on the last commit.
       - id: check-release
         run: if git diff --name-only HEAD HEAD~1 | grep -w -q ".release-plan.json"; then echo "command=release"; fi >> $GITHUB_OUTPUT
 
   prepare_release_notes:
-    name: Prepare Release Notes
+    name: Prepare Release Notes 3.x
     runs-on: ubuntu-latest
     timeout-minutes: 5
     needs: check-plan
@@ -49,21 +48,21 @@ jobs:
         # github-changelog can discover what's changed since the last release
         with:
           fetch-depth: 0
-          ref: 'main'
+          ref: "3.x"
       - uses: actions/setup-node@v4
         with:
           node-version: 18
-      
+
       - uses: pnpm/action-setup@v3
       - run: pnpm install --frozen-lockfile
-      
+
       - name: "Generate Explanation and Prep Changelogs"
         id: explanation
         run: |
           set +e
-          
+
           pnpm release-plan prepare 2> >(tee -a stderr.log >&2)
-          
+
 
           if [ $? -ne 0 ]; then
             echo 'text<<EOF' >> $GITHUB_OUTPUT
@@ -82,7 +81,7 @@ jobs:
           commit-message: "Prepare Release using 'release-plan'"
           labels: "internal"
           branch: release-preview
-          title: Prepare Release
+          title: Prepare Release (3.x)
           body: |
             This PR is a preview of the release that [release-plan](https://github.com/embroider-build/release-plan) has prepared. To release you should just merge this PR 👍
 
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index a35f506..5a99d8c 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -8,11 +8,10 @@ on:
   workflow_dispatch:
   push:
     branches:
-      - main
-      - master
+      - 3.x
 
 concurrency:
-  group: publish-${{ github.head_ref || github.ref }}
+  group: publish-3.x-${{ github.head_ref || github.ref }}
   cancel-in-progress: true
 
 jobs:
@@ -26,7 +25,7 @@ jobs:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
-          ref: 'main'
+          ref: "3.x"
       # This will only cause the `check-plan` job to have a result of `success`
       # when the .release-plan.json file was changed on the last commit. This
       # plus the fact that this action only runs on main will be enough of a guard
@@ -48,13 +47,13 @@ jobs:
         with:
           node-version: 18
           # This creates an .npmrc that reads the NODE_AUTH_TOKEN environment variable
-          registry-url: 'https://registry.npmjs.org'
-      
+          registry-url: "https://registry.npmjs.org"
+
       - uses: pnpm/action-setup@v3
       - run: pnpm install --frozen-lockfile
       - name: npm publish
-        run: pnpm release-plan publish
-      
+        run: pnpm release-plan publish --publish-branch=3.x
+
         env:
           GITHUB_AUTH: ${{ secrets.GITHUB_TOKEN }}
           NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
diff --git a/package.json b/package.json
index a580a4b..cd32f5f 100644
--- a/package.json
+++ b/package.json
@@ -77,5 +77,8 @@
   "volta": {
     "node": "18.20.2",
     "pnpm": "9.0.6"
+  },
+  "release-plan": {
+    "publishTag": "3-x"
   }
 }