diff --git a/.github/workflows/auto-merge-dependencies.yml b/.github/workflows/auto-merge-dependencies.yml
index a260d1e..bae3c67 100644
--- a/.github/workflows/auto-merge-dependencies.yml
+++ b/.github/workflows/auto-merge-dependencies.yml
@@ -20,7 +20,7 @@ jobs:
       contents: write
       pull-requests: write
     steps:
-      - uses: actions/checkout@v4.2.0
+      - uses: actions/checkout@v4.2.1
 
       - name: find_branch_name
         id: find_branch_name
diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index aea7a2c..601fd6b 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -16,7 +16,7 @@ jobs:
   powershell:
     runs-on: windows-latest
     steps:
-      - uses: actions/checkout@v4.2.0
+      - uses: actions/checkout@v4.2.1
       - uses: pCYSl5EDgo/cat@master
         id: read_recent
         with:
@@ -55,7 +55,7 @@ jobs:
   bash-linux:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4.2.0
+      - uses: actions/checkout@v4.2.1
       - uses: pCYSl5EDgo/cat@master
         id: read_recent
         with:
@@ -99,7 +99,7 @@ jobs:
   bash-macos:
     runs-on: macos-latest
     steps:
-      - uses: actions/checkout@v4.2.0
+      - uses: actions/checkout@v4.2.1
       - uses: pCYSl5EDgo/cat@master
         id: read_recent
         with:
diff --git a/.github/workflows/update-to-newest-version.yml b/.github/workflows/update-to-newest-version.yml
index af98677..ead6866 100644
--- a/.github/workflows/update-to-newest-version.yml
+++ b/.github/workflows/update-to-newest-version.yml
@@ -9,7 +9,7 @@ jobs:
   update-latest-issues:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4.2.0
+      - uses: actions/checkout@v4.2.1
       - name: update issues
         id: updateIssues
         run: bash ./script-for-using-latest-version.sh