diff --git a/.github/workflows/ghcr.yml b/.github/workflows/ghcr.yml
index 9dde769..6001a4f 100644
--- a/.github/workflows/ghcr.yml
+++ b/.github/workflows/ghcr.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2.3.5
+        uses: actions/checkout@v2.4.0
       
       - name: Get branch names
         id: branch-name
diff --git a/.github/workflows/rebase.yml b/.github/workflows/rebase.yml
index 73f0271..c1746c7 100644
--- a/.github/workflows/rebase.yml
+++ b/.github/workflows/rebase.yml
@@ -8,7 +8,7 @@ jobs:
     if: github.event.issue.pull_request != '' && contains(github.event.comment.body, '/rebase')
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2.3.5
+      - uses: actions/checkout@v2.4.0
         with:
           token: ${{ secrets.PAT_TOKEN }}
           fetch-depth: 0 # otherwise, you will failed to push refs to dest repo
diff --git a/.github/workflows/sync-release-version.yml b/.github/workflows/sync-release-version.yml
index 27f1a2d..7d336d4 100644
--- a/.github/workflows/sync-release-version.yml
+++ b/.github/workflows/sync-release-version.yml
@@ -8,7 +8,7 @@ jobs:
   update-version:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2.3.5
+      - uses: actions/checkout@v2.4.0
         with:
           fetch-depth: 0
       - name: Sync release version.
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index e835cb2..aafb9dc 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -14,7 +14,7 @@ jobs:
     name: Test github-changelog-generator
     steps:
       - name: Checkout
-        uses: actions/checkout@v2.3.5
+        uses: actions/checkout@v2.4.0
       - name: shellcheck
         uses: reviewdog/action-shellcheck@v1.9
       - name: Run github-changelog-generator
diff --git a/.github/workflows/update-readme.yml b/.github/workflows/update-readme.yml
index 712ff85..76b0a66 100644
--- a/.github/workflows/update-readme.yml
+++ b/.github/workflows/update-readme.yml
@@ -9,7 +9,7 @@ jobs:
   sync-assets:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2.3.5
+      - uses: actions/checkout@v2.4.0
         with:
           fetch-depth: 0