diff --git a/.github/workflows/cron.yml b/.github/workflows/cron.yml
index 9337d6e..29ea708 100644
--- a/.github/workflows/cron.yml
+++ b/.github/workflows/cron.yml
@@ -9,13 +9,13 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           submodules: recursive
 
-      - uses: actions/setup-node@v2
+      - uses: actions/setup-node@v4
         with:
-          node-version: 16
+          node-version: 20
           registry-url: https://registry.npmjs.org/
 
       - name: npm install
@@ -41,4 +41,4 @@ jobs:
           git diff --quiet && git diff --staged --quiet || git commit -m "fix(submodules): submodules were updated"
           git push origin main
         env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
\ No newline at end of file
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/demo.yml b/.github/workflows/demo.yml
index da13245..37e0ad8 100644
--- a/.github/workflows/demo.yml
+++ b/.github/workflows/demo.yml
@@ -2,33 +2,33 @@ name: Deploy to github.io
 
 on:
   push:
-    branches: [ main ]
+    branches: [main]
 
 jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
-    - uses: actions/setup-node@v2
-      with: 
-        node-version: 14
-        registry-url: https://registry.npmjs.org/
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          registry-url: https://registry.npmjs.org/
 
-    - name: Set React environment using current directory
-      run: echo "PUBLIC_URL=/$(basename $(pwd))" >> $GITHUB_ENV
+      - name: Set React environment using current directory
+        run: echo "PUBLIC_URL=/$(basename $(pwd))" >> $GITHUB_ENV
 
-    - name: npm install, lint
-      run: |
-        git submodule update --init --recursive
-        export GENERATE_SOURCEMAP=false
-        npm install
-        npm run lint:fix
-        npm run build
-      env:
-        REACT_APP_BASE_URL: ${{ secrets.BACKEND_URL }}
-      
-    - name: Deploy to github.io
-      uses: JamesIves/github-pages-deploy-action@4.1.1
-      with:
-        branch: gh-pages
-        folder: build
\ No newline at end of file
+      - name: npm install, lint
+        run: |
+          git submodule update --init --recursive
+          export GENERATE_SOURCEMAP=false
+          npm install
+          npm run lint:fix
+          npm run build
+        env:
+          REACT_APP_BASE_URL: ${{ secrets.BACKEND_URL }}
+
+      - name: Deploy to github.io
+        uses: JamesIves/github-pages-deploy-action@v4
+        with:
+          branch: gh-pages
+          folder: build
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index ba38e52..90e08cb 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -8,13 +8,13 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           submodules: recursive
 
-      - uses: actions/setup-node@v2
+      - uses: actions/setup-node@v4
         with:
-          node-version: 16
+          node-version: 20
           registry-url: https://registry.npmjs.org/
 
       - name: npm install, lint
@@ -26,13 +26,13 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           submodules: recursive
 
-      - uses: actions/setup-node@v2
+      - uses: actions/setup-node@v4
         with:
-          node-version: 16
+          node-version: 20
           registry-url: https://registry.npmjs.org/
 
       - name: npm install, build
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index d7c77e1..3483b44 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -11,13 +11,13 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           submodules: recursive
 
-      - uses: actions/setup-node@v2
+      - uses: actions/setup-node@v4
         with:
-          node-version: 16
+          node-version: 20
           registry-url: https://registry.npmjs.org/
 
       - name: Install dependencies
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index ac503bf..a340d25 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -8,16 +8,16 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           submodules: recursive
 
-      - uses: actions/setup-node@v2
+      - uses: actions/setup-node@v4
         with:
-          node-version: 16
+          node-version: 20
           registry-url: https://registry.npmjs.org/
 
       - name: npm install, test
         run: |
           npm install
-          npm test
\ No newline at end of file
+          npm test