diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 9d4abeb..dc4b2bd 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -53,7 +53,7 @@ jobs:
       )
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           ref: ${{ needs.setup.outputs.ref }}
           path: ${{ needs.setup.outputs.checkout_path }}
@@ -76,7 +76,7 @@ jobs:
       )
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           ref: ${{ needs.setup.outputs.ref }}
           path: ${{ needs.setup.outputs.checkout_path }}
@@ -99,7 +99,7 @@ jobs:
       )
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           ref: ${{ needs.setup.outputs.ref }}
           path: ${{ needs.setup.outputs.checkout_path }}
@@ -120,7 +120,7 @@ jobs:
       )
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           ref: ${{ needs.setup.outputs.ref }}
           path: ${{ needs.setup.outputs.checkout_path }}