diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index fbdf09a..d2823bd 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Setup Python
         uses: actions/setup-python@v6
         with:
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index a46c2fa..d78536c 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -23,7 +23,7 @@ jobs:
         python-version: ["3.10", "3.11", "3.12", "3.13", "3.14"]
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Setup Python ${{ matrix.python-version }}
         uses: actions/setup-python@v6
         with:
@@ -61,7 +61,7 @@ jobs:
             lammps-version: "2023.08.02"
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Setup Python ${{ matrix.python-version }}
         uses: conda-incubator/setup-miniconda@v3
         with: