diff --git a/.github/workflows/develop-build.yml b/.github/workflows/develop-build.yml
index e8a3aab..334451c 100644
--- a/.github/workflows/develop-build.yml
+++ b/.github/workflows/develop-build.yml
@@ -19,7 +19,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/loc.yml b/.github/workflows/loc.yml
index 68c4d1c..821e8f5 100644
--- a/.github/workflows/loc.yml
+++ b/.github/workflows/loc.yml
@@ -14,7 +14,7 @@ jobs:
       labels: linux-ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
 
       - name: Count lines of code
         run: |
diff --git a/.github/workflows/main-build.yml b/.github/workflows/main-build.yml
index a3c15fa..226768f 100644
--- a/.github/workflows/main-build.yml
+++ b/.github/workflows/main-build.yml
@@ -19,7 +19,7 @@ jobs:
 
     steps:
       - name: Checkout repo
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           ref: main
           fetch-depth: 0
diff --git a/.github/workflows/main-docs.yml b/.github/workflows/main-docs.yml
index 87a1e40..8a518f7 100644
--- a/.github/workflows/main-docs.yml
+++ b/.github/workflows/main-docs.yml
@@ -21,7 +21,7 @@ jobs:
       labels: linux-ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
 
       - name: Set up Python
         uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0