diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 12bd77df..2f924fd6 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -10,7 +10,7 @@ jobs:
   CodeQL-Build:
     runs-on: ubuntu-18.04
     steps:
-      - uses: actions/checkout@v2.3.5
+      - uses: actions/checkout@v2.4.0
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v1
diff --git a/.github/workflows/dev-image.yml b/.github/workflows/dev-image.yml
index 960a20fa..0601425a 100644
--- a/.github/workflows/dev-image.yml
+++ b/.github/workflows/dev-image.yml
@@ -25,7 +25,7 @@ jobs:
   dev-image-test:
     runs-on: ubuntu-18.04
     steps:
-      - uses: actions/checkout@v2.3.5
+      - uses: actions/checkout@v2.4.0
       - run: make build
       - run: make cirun cmd="npm ci"
       # - run: make ciall
diff --git a/.github/workflows/label-commenter.yml b/.github/workflows/label-commenter.yml
index c819e356..1014697b 100644
--- a/.github/workflows/label-commenter.yml
+++ b/.github/workflows/label-commenter.yml
@@ -14,7 +14,7 @@ jobs:
   comment:
     runs-on: ubuntu-18.04
     steps:
-      - uses: actions/checkout@v2.3.5
+      - uses: actions/checkout@v2.4.0
         with:
           ref: main
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 827ce1eb..ab5b7208 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -9,7 +9,7 @@ jobs:
   release:
     runs-on: ubuntu-18.04
     steps:
-      - uses: actions/checkout@v2.3.5
+      - uses: actions/checkout@v2.4.0
 
       - name: Dump GitHub context
         env:
diff --git a/.github/workflows/test-action.yml b/.github/workflows/test-action.yml
index b56d64b6..072b5ab6 100644
--- a/.github/workflows/test-action.yml
+++ b/.github/workflows/test-action.yml
@@ -22,7 +22,7 @@ jobs:
           - true
           - false
     steps:
-      - uses: actions/checkout@v2.3.5
+      - uses: actions/checkout@v2.4.0
 
       - name: Setup Hugo
         uses: peaceiris/actions-hugo@v2.5.0
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index ac282d8a..55de9828 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -21,7 +21,7 @@ jobs:
           - 'macos-latest'
           - 'windows-latest'
     steps:
-      - uses: actions/checkout@v2.3.5
+      - uses: actions/checkout@v2.4.0
 
       - name: Read .nvmrc
         run: echo "::set-output name=NVMRC::$(cat .nvmrc)"
diff --git a/.github/workflows/update-major-tag.yml b/.github/workflows/update-major-tag.yml
index e6cb05e8..c25197e3 100644
--- a/.github/workflows/update-major-tag.yml
+++ b/.github/workflows/update-major-tag.yml
@@ -8,7 +8,7 @@ jobs:
   update:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v2.3.5
+      - uses: actions/checkout@v2.4.0
 
       - name: Update major tag
         run: |