diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 019e560b26..84a161722a 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -10,15 +10,15 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v6
         with:
           ref: ${{ github.head_ref }}
       - name: Setup Node
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v6
         with:
           node-version: 24
       - name: Cache dependencies
-        uses: actions/cache@v3
+        uses: actions/cache@v6
         with:
           path: ~/.npm
           key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
diff --git a/.github/workflows/build_and_deploy.yml b/.github/workflows/build_and_deploy.yml
index 62f336772d..b15e4fb06f 100644
--- a/.github/workflows/build_and_deploy.yml
+++ b/.github/workflows/build_and_deploy.yml
@@ -15,17 +15,17 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v6
         with:
           ref: ${{ github.head_ref }}
 
       - name: Setup Node
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v6
         with:
           node-version: 24
 
       - name: Cache dependencies
-        uses: actions/cache@v3
+        uses: actions/cache@v6
         with:
           path: ~/.npm
           key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
@@ -38,7 +38,7 @@ jobs:
           npm run build
 
       - name: Deploy
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           publish_dir: ./build  
           github_token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/build_and_staging.yml b/.github/workflows/build_and_staging.yml
index e6e2c2cf9a..e0998be33e 100644
--- a/.github/workflows/build_and_staging.yml
+++ b/.github/workflows/build_and_staging.yml
@@ -13,17 +13,17 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v6
         with:
           ref: ${{ github.ref_name }}
 
       - name: Setup Node
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v6
         with:
           node-version: 24
 
       - name: Cache dependencies
-        uses: actions/cache@v3
+        uses: actions/cache@v6
         with:
           path: ~/.npm
           key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
@@ -36,7 +36,7 @@ jobs:
           npm run build
 
       - name: Deploy
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           publish_dir: ./build  
           github_token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/link-validator.yml b/.github/workflows/link-validator.yml
index f44841cbd6..3b07aa85cf 100644
--- a/.github/workflows/link-validator.yml
+++ b/.github/workflows/link-validator.yml
@@ -6,8 +6,8 @@ jobs:
   markdown-link-check:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
-    - uses: gaurav-nelson/github-action-markdown-link-check@1.0.15
+    - uses: actions/checkout@v6
+    - uses: tcort/github-action-markdown-link-check@v1
       with:
         use-quiet-mode: 'yes'
         use-verbose-mode: 'yes'
diff --git a/.github/workflows/pr-markdownlint.yml b/.github/workflows/pr-markdownlint.yml
index e5bff1d6b0..ebc0073817 100644
--- a/.github/workflows/pr-markdownlint.yml
+++ b/.github/workflows/pr-markdownlint.yml
@@ -32,7 +32,7 @@ jobs:
           echo "DIFF_DOCUMENTS=${DIFF_DOCUMENTS}" >> $GITHUB_ENV
 
       - name: Setup Node.js environment
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v6
         with:
           node-version-file: ".nvmrc"
           cache: npm