diff --git a/.github/workflows/test_set_1.yml b/.github/workflows/test_set_1.yml
index 61ae2af..0c99445 100644
--- a/.github/workflows/test_set_1.yml
+++ b/.github/workflows/test_set_1.yml
@@ -16,7 +16,7 @@ jobs:
     env:
       OS_VERSION: ${{ matrix.os_version }}
     steps:
-      - uses: actions/checkout@ec3a7ce113134d7a93b817d10a8272cb61118579 # 2.4.0
+      - uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8 # 3.1.0
         with:
           persist-credentials: false
       - name: Build
diff --git a/.github/workflows/test_set_2.yml b/.github/workflows/test_set_2.yml
index f5ba28e..2b77645 100644
--- a/.github/workflows/test_set_2.yml
+++ b/.github/workflows/test_set_2.yml
@@ -17,7 +17,7 @@ jobs:
       image: ${{ matrix.os_version }}
       options: --cap-add=NET_ADMIN --device=/dev/net/tun
     steps:
-      - uses: actions/checkout@ec3a7ce113134d7a93b817d10a8272cb61118579 # 2.4.0
+      - uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8 # 3.1.0
         with:
           persist-credentials: false
       - name: Test
diff --git a/.github/workflows/test_set_3.yml b/.github/workflows/test_set_3.yml
index 4d5da99..a484ae7 100644
--- a/.github/workflows/test_set_3.yml
+++ b/.github/workflows/test_set_3.yml
@@ -14,7 +14,7 @@ jobs:
       fail-fast: false
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@ec3a7ce113134d7a93b817d10a8272cb61118579 # 2.4.0
+      - uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8 # 3.1.0
         with:
           persist-credentials: false
       - name: Test