diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 761a131e1..a751f2b4f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -11,15 +11,15 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
-      - uses: actions/setup-java@v3
+      - uses: actions/setup-java@v4
         with:
           distribution: 'temurin'
           java-version: '17'
           cache: 'gradle'
 
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v5
         with:
           python-version: '3.9'
 
@@ -88,7 +88,7 @@ jobs:
           echo $( ls ./artifact/build/ | grep '.zip' ) > ./artifact/.metadata/zip_filename
           echo $(date -u +'%Y-%m-%d_%H-%M' -d"$(stat -c %y ./artifact/build/total-conversion-build.user.js)") > ./artifact/.metadata/buildstamp
 
-      - uses: actions/upload-artifact@v2
+      - uses: actions/upload-artifact@v4
         with:
           name: build
           path: |
diff --git a/.github/workflows/build_pr.yml b/.github/workflows/build_pr.yml
index 8c735b05c..11976436c 100644
--- a/.github/workflows/build_pr.yml
+++ b/.github/workflows/build_pr.yml
@@ -11,15 +11,15 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
-      - uses: actions/setup-java@v3
+      - uses: actions/setup-java@v4
         with:
           distribution: 'temurin'
           java-version: '17'
           cache: 'gradle'
 
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v5
         with:
           python-version: '3.9'
 
@@ -46,7 +46,7 @@ jobs:
           echo $( ls ./build/build/ | grep '.zip' ) > ./build/.metadata/zip_filename
           echo $(date -u +'%Y-%m-%d_%H-%M' -d"$(stat -c %y ./build/build/total-conversion-build.user.js)") > ./build/.metadata/buildstamp
 
-      - uses: actions/upload-artifact@v2
+      - uses: actions/upload-artifact@v4
         with:
           name: build
           path: |
diff --git a/.github/workflows/jsdoc.yml b/.github/workflows/jsdoc.yml
index 080dbd847..ba323c6d3 100644
--- a/.github/workflows/jsdoc.yml
+++ b/.github/workflows/jsdoc.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Build
         uses: andstor/jsdoc-action@v1
@@ -25,7 +25,7 @@ jobs:
 
       - name: Deploy
         if: github.event_name != 'pull_request'
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           deploy_key: ${{ secrets.ACTIONS_DEPLOY_KEY }}
           publish_dir: ./out
diff --git a/.github/workflows/merge_pr.yml b/.github/workflows/merge_pr.yml
index 80fc5da08..05a7aa5bf 100644
--- a/.github/workflows/merge_pr.yml
+++ b/.github/workflows/merge_pr.yml
@@ -14,7 +14,7 @@ jobs:
         env:
           WEBSITE_REPO: ${{ secrets.WEBSITE_REPO }}
         if: ${{ env.WEBSITE_REPO != '' }}
-        uses: peter-evans/repository-dispatch@v2
+        uses: peter-evans/repository-dispatch@v3
         with:
           token: ${{ secrets.API_TOKEN_GITHUB }}
           repository: ${{ env.WEBSITE_REPO }}
diff --git a/.github/workflows/reviewdog.yml b/.github/workflows/reviewdog.yml
index 34d70fd93..73c49b335 100644
--- a/.github/workflows/reviewdog.yml
+++ b/.github/workflows/reviewdog.yml
@@ -17,7 +17,7 @@ jobs:
       pull-requests: write
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: reviewdog/action-eslint@v1
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/send_build_to_website.yml b/.github/workflows/send_build_to_website.yml
index 0534132d9..8880da9c5 100644
--- a/.github/workflows/send_build_to_website.yml
+++ b/.github/workflows/send_build_to_website.yml
@@ -14,7 +14,7 @@ jobs:
     if: ${{ github.event.workflow_run.conclusion == 'success' }}
     steps:
       - name: 'Download artifact'
-        uses: actions/github-script@v6
+        uses: actions/github-script@v7
         env:
           WEBSITE_REPO: ${{ secrets.WEBSITE_REPO }}
         if: ${{ env.WEBSITE_REPO != '' }}
@@ -79,7 +79,7 @@ jobs:
         env:
           WEBSITE_REPO: ${{ secrets.WEBSITE_REPO }}
         if: ${{ env.WEBSITE_REPO != '' }}
-        uses: peter-evans/repository-dispatch@v2
+        uses: peter-evans/repository-dispatch@v3
         with:
           token: ${{ secrets.API_TOKEN_GITHUB }}
           repository: ${{ env.WEBSITE_REPO }}
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 65ecc852c..7be79f560 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -12,12 +12,12 @@ jobs:
     name: 'Node.js v18'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-node@v1
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
         with:
           node-version: '18'
       - name: 'Cache node_modules'
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: ~/.npm
           key: ${{ runner.os }}-node-18-${{ hashFiles('**/package.json') }}