diff --git a/.github/workflows/check-markdown-task.yml b/.github/workflows/check-markdown-task.yml
index a26758a6..259c2508 100644
--- a/.github/workflows/check-markdown-task.yml
+++ b/.github/workflows/check-markdown-task.yml
@@ -1,10 +1,6 @@
 # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/check-markdown-task.md
 name: Check Markdown
 
-env:
-  # See: https://github.com/actions/setup-node/#readme
-  NODE_VERSION: 16.x
-
 # See: https://docs.github.com/actions/using-workflows/events-that-trigger-workflows
 on:
   create:
@@ -74,7 +70,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v5
         with:
-          node-version: ${{ env.NODE_VERSION }}
+          node-version-file: package.json
 
       - name: Initialize markdownlint-cli problem matcher
         uses: xt0rted/markdownlint-problem-matcher@v3
@@ -100,7 +96,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v5
         with:
-          node-version: ${{ env.NODE_VERSION }}
+          node-version-file: package.json
 
       - name: Install Task
         uses: arduino/setup-task@v2
diff --git a/.github/workflows/check-prettier-formatting-task.yml b/.github/workflows/check-prettier-formatting-task.yml
index 770323ae..6683cf58 100644
--- a/.github/workflows/check-prettier-formatting-task.yml
+++ b/.github/workflows/check-prettier-formatting-task.yml
@@ -1,10 +1,6 @@
 # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/check-prettier-formatting-task.md
 name: Check Prettier Formatting
 
-env:
-  # See: https://github.com/actions/setup-node/#readme
-  NODE_VERSION: 16.x
-
 # See: https://docs.github.com/actions/using-workflows/events-that-trigger-workflows
 on:
   create:
@@ -242,7 +238,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v5
         with:
-          node-version: ${{ env.NODE_VERSION }}
+          node-version-file: package.json
 
       - name: Install Task
         uses: arduino/setup-task@v2
diff --git a/.github/workflows/check-taskfiles.yml b/.github/workflows/check-taskfiles.yml
index 7d7ab36a..e6a48575 100644
--- a/.github/workflows/check-taskfiles.yml
+++ b/.github/workflows/check-taskfiles.yml
@@ -1,10 +1,6 @@
 # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/check-taskfiles.md
 name: Check Taskfiles
 
-env:
-  # See: https://github.com/actions/setup-node/#readme
-  NODE_VERSION: 16.x
-
 # See: https://docs.github.com/actions/using-workflows/events-that-trigger-workflows
 on:
   create:
@@ -71,7 +67,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v5
         with:
-          node-version: ${{ env.NODE_VERSION }}
+          node-version-file: package.json
 
       - name: Download JSON schema for Taskfiles
         id: download-schema
diff --git a/.github/workflows/check-toc-task.yml b/.github/workflows/check-toc-task.yml
index 692744cd..3a30870e 100644
--- a/.github/workflows/check-toc-task.yml
+++ b/.github/workflows/check-toc-task.yml
@@ -1,10 +1,6 @@
 # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/check-toc-task.md
 name: Check ToC
 
-env:
-  # See: https://github.com/actions/setup-node/#readme
-  NODE_VERSION: 16.x
-
 # See: https://docs.github.com/actions/using-workflows/events-that-trigger-workflows
 on:
   create:
@@ -76,7 +72,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v5
         with:
-          node-version: ${{ env.NODE_VERSION }}
+          node-version-file: package.json
 
       - name: Install Task
         uses: arduino/setup-task@v2
diff --git a/.github/workflows/check-workflows-task.yml b/.github/workflows/check-workflows-task.yml
index ce2cf733..1c928952 100644
--- a/.github/workflows/check-workflows-task.yml
+++ b/.github/workflows/check-workflows-task.yml
@@ -1,10 +1,6 @@
 # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/check-workflows-task.md
 name: Check Workflows
 
-env:
-  # See: https://github.com/actions/setup-node/#readme
-  NODE_VERSION: 16.x
-
 # See: https://docs.github.com/actions/using-workflows/events-that-trigger-workflows
 on:
   push:
@@ -36,7 +32,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v5
         with:
-          node-version: ${{ env.NODE_VERSION }}
+          node-version-file: package.json
 
       - name: Install Task
         uses: arduino/setup-task@v2
diff --git a/.github/workflows/sync-labels-npm.yml b/.github/workflows/sync-labels-npm.yml
index cc7ba9fc..3249261f 100644
--- a/.github/workflows/sync-labels-npm.yml
+++ b/.github/workflows/sync-labels-npm.yml
@@ -1,12 +1,6 @@
 # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/sync-labels-npm.md
 name: Sync Labels
 
-env:
-  # See: https://github.com/actions/setup-node/#readme
-  NODE_VERSION: 16.x
-  CONFIGURATIONS_FOLDER: .github/label-configuration-files
-  CONFIGURATIONS_ARTIFACT_PREFIX: label-configuration-file-
-
 # See: https://docs.github.com/actions/using-workflows/events-that-trigger-workflows
 on:
   push:
@@ -27,6 +21,10 @@ on:
   workflow_dispatch:
   repository_dispatch:
 
+env:
+  CONFIGURATIONS_FOLDER: .github/label-configuration-files
+  CONFIGURATIONS_ARTIFACT_PREFIX: label-configuration-file-
+
 jobs:
   check:
     runs-on: ubuntu-latest
@@ -38,7 +36,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v5
         with:
-          node-version: ${{ env.NODE_VERSION }}
+          node-version-file: package.json
 
       - name: Download JSON schema for labels configuration file
         id: download-schema
@@ -132,7 +130,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v5
         with:
-          node-version: ${{ env.NODE_VERSION }}
+          node-version-file: package.json
 
       - name: Merge label configuration files
         run: |
diff --git a/package-lock.json b/package-lock.json
index c07f3fe2..127bb330 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12,6 +12,9 @@
         "markdown-toc": "^1.2.0",
         "markdownlint-cli": "^0.37.0",
         "prettier": "^3.6.2"
+      },
+      "engines": {
+        "node": "16.x"
       }
     },
     "node_modules/@financial-times/origami-service-makefile": {
diff --git a/package.json b/package.json
index ca345a8b..5174dce9 100644
--- a/package.json
+++ b/package.json
@@ -7,5 +7,8 @@
     "markdown-toc": "^1.2.0",
     "markdownlint-cli": "^0.37.0",
     "prettier": "^3.6.2"
+  },
+  "engines": {
+    "node": "16.x"
   }
 }