diff --git a/.github/workflows/build.yml b/.github/workflows/build_node18.yml
similarity index 89%
rename from .github/workflows/build.yml
rename to .github/workflows/build_node18.yml
index f20ccb5..0ae206e 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build_node18.yml
@@ -10,12 +10,12 @@ jobs:
       fail-fast: false
       matrix:
         # the Node.js versions to build on
-        node-version: [18.x, 20.x]
+        node-version: [18.x]
 
     steps:
       - uses: actions/checkout@v3
 
-      - name: Use Node.js ${{ matrix.node-version }} 
+      - name: Use Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v3
         with:
           node-version: ${{ matrix.node-version }}
diff --git a/.github/workflows/build_node20.yml b/.github/workflows/build_node20.yml
new file mode 100644
index 0000000..1f8ec6f
--- /dev/null
+++ b/.github/workflows/build_node20.yml
@@ -0,0 +1,38 @@
+name: Build and Lint
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: false
+      matrix:
+        # the Node.js versions to build on
+        node-version: [20.x]
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v3
+        with:
+          node-version: ${{ matrix.node-version }}
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Lint the project
+        run: npm run lint
+
+      - name: Build the project
+        run: npm run build
+
+      - name: List, audit, fix outdated dependencies and build again
+        run: |
+          npm list --outdated
+          npm audit || true  # ignore failures
+          npm audit fix || true
+          npm list --outdated
+          npm run build
diff --git a/README.md b/README.md
index a377ee7..1214ada 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,8 @@
 # Homebridge Technotherm
 
+![Node v18.x](https://github.com/duggan/homebridge-technotherm/actions/workflows/build_node18.yml/badge.svg)
+![Node v20.x](https://github.com/duggan/homebridge-technotherm/actions/workflows/build_node20.yml/badge.svg)
+
 A plugin for instrumenting Technotherm Eletrical Partial Thermal-Storage Heaters in Homebridge.
 
 **Status:** Experimental 🧪