diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index e5fdfc5a3..2bac314f3 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -38,6 +38,7 @@ jobs:
     - name: Set up Node.js
       uses: actions/setup-node@v4
       with:
+        node-version-file: '.nvmrc'
         cache: 'npm'
     - run: npm ci
     - name: Cache PlatformIO
@@ -74,7 +75,7 @@ jobs:
       - name: Use Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: '20.x'
+          node-version-file: '.nvmrc'
           cache: 'npm'
       - run: npm ci
       - run: npm test
diff --git a/.nvmrc b/.nvmrc
new file mode 100644
index 000000000..d4b7699d3
--- /dev/null
+++ b/.nvmrc
@@ -0,0 +1 @@
+20.18.1