diff --git a/.github/workflows/develop.yml b/.github/workflows/develop.yml
index 6975969..4981b75 100644
--- a/.github/workflows/develop.yml
+++ b/.github/workflows/develop.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: checkout
-        uses: actions/checkout@v5.0.1
+        uses: actions/checkout@v6.0.0
 
       - name: Setup JDK
         uses: actions/setup-java@v5.0.0
@@ -41,7 +41,7 @@ jobs:
     needs: [build]
     steps:
       - name: checkout
-        uses: actions/checkout@v5.0.1
+        uses: actions/checkout@v6.0.0
 
       - name: Setup JDK
         uses: actions/setup-java@v5.0.0
@@ -143,7 +143,7 @@ jobs:
     needs: build
     steps:
       - name: checkout
-        uses: actions/checkout@v5.0.1
+        uses: actions/checkout@v6.0.0
 
       - name: Setup JDK
         uses: actions/setup-java@v5.0.0
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index e4109d7..b49d9ea 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -12,7 +12,7 @@ jobs:
       contents: write
     steps:
       - name: checkout
-        uses: actions/checkout@v5.0.1
+        uses: actions/checkout@v6.0.0
 
       - name: set up JDK
         uses: actions/setup-java@v5.0.0
diff --git a/.github/workflows/test_install_script.yml b/.github/workflows/test_install_script.yml
index a9c3d3d..2c49379 100644
--- a/.github/workflows/test_install_script.yml
+++ b/.github/workflows/test_install_script.yml
@@ -27,7 +27,7 @@ jobs:
     runs-on: ${{ matrix.runner }}
     steps:
       - name: checkout
-        uses: actions/checkout@v5.0.1
+        uses: actions/checkout@v6.0.0
 
       - name: Setup JDK
         uses: actions/setup-java@v5.0.0