diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f1da953..af710cc 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,7 +27,7 @@ jobs:
     outputs:
       noxenvs: ${{ steps.noxenvs-matrix.outputs.noxenvs }}
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10  # v6.0.0
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0  # v6.0.0
         with:
           persist-credentials: false
       - name: Set up uv
@@ -57,7 +57,7 @@ jobs:
             posargs: coverage github
 
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10  # v6.0.0
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0  # v6.0.0
         with:
           submodules: "recursive"
           persist-credentials: false
@@ -85,7 +85,7 @@ jobs:
       id-token: write  # OIDC for trusted publishing to PyPI
 
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10  # v6.0.0
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0  # v6.0.0
         with:
           submodules: "recursive"
           persist-credentials: false