diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9b4dcba..9a90854 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -22,7 +22,7 @@ jobs:
 
     steps:
       - name: clone the repository
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           persist-credentials: false
       - name: setup environment
diff --git a/.github/workflows/pypi.yml b/.github/workflows/pypi.yml
index e10f81d..60b1d48 100644
--- a/.github/workflows/pypi.yml
+++ b/.github/workflows/pypi.yml
@@ -13,7 +13,7 @@ jobs:
     if: github.repository_owner == 'xarray-contrib'
     steps:
       - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           fetch-depth: 0
           persist-credentials: false