diff --git a/.github/workflows/check_hsg.yml b/.github/workflows/check_hsg.yml
index 03259ae..313c31c 100644
--- a/.github/workflows/check_hsg.yml
+++ b/.github/workflows/check_hsg.yml
@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 30
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: julia-actions/setup-julia@v2
         with:
           # version: '1'
diff --git a/.github/workflows/run_hsg.yml b/.github/workflows/run_hsg.yml
index 4ef9092..6d3575f 100644
--- a/.github/workflows/run_hsg.yml
+++ b/.github/workflows/run_hsg.yml
@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 30
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           persist-credentials: false
       - uses: julia-actions/setup-julia@v2
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 6f14edf..b00e98b 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -43,7 +43,7 @@ jobs:
         #   - os: macOS-latest
         #     julia-arch: x86
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.julia-version }}