diff --git a/.github/workflows/build_deploy.yml b/.github/workflows/build_deploy.yml
index 61c960bb..60a16af0 100644
--- a/.github/workflows/build_deploy.yml
+++ b/.github/workflows/build_deploy.yml
@@ -6,8 +6,8 @@ name: Build and deploy
 on:
   # Triggers the workflow on push or pull request events but only for the source branch
   push:
-    branches: [ source ]
-    
+    branches: [source]
+
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch:
 
@@ -17,7 +17,7 @@ jobs:
   build-and-deploy:
     # The type of runner that the job will run on
     runs-on: ubuntu-latest
-    
+
     name: Build and deploy
 
     # Steps represent a sequence of tasks that will be executed as part of the job
@@ -27,15 +27,16 @@ jobs:
 
       - name: Setup Node.js environment
         uses: actions/setup-node@v4
+        with:
+          node-version: '20.9.x'
 
-      - name: Install and Build 🔧 
+      - name: Install and Build 🔧
         run: |
           npm install
           npm run build
-      
+
       - name: Deploy 🚀
         uses: JamesIves/github-pages-deploy-action@v4.4.3
         with:
           branch: master # The branch the action should deploy to.
           folder: build # The folder the action should deploy.
-
diff --git a/.github/workflows/pull_request.yml b/.github/workflows/pull_request.yml
index 6d2d3ab3..b61d5d09 100644
--- a/.github/workflows/pull_request.yml
+++ b/.github/workflows/pull_request.yml
@@ -6,7 +6,7 @@ name: Pull request validation
 on:
   # Triggers the workflow on pull request events but only for the source branch
   pull_request:
-    branches: [ source ]
+    branches: [source]
 
 # A workflow run is made up of one or more jobs that can run sequentially or in parallel
 jobs:
@@ -22,6 +22,8 @@ jobs:
 
       - name: Setup Node.js environment
         uses: actions/setup-node@v4
+        with:
+          node-version: '20.9.x'
 
       - run: npm install
       - run: npm run build
diff --git a/.node-version b/.node-version
index bf79505b..805b5a4e 100644
--- a/.node-version
+++ b/.node-version
@@ -1 +1 @@
-v16.14.0
+v20.9.0