diff --git a/.github/workflows/deploy-docs.yml b/.github/workflows/deploy-docs.yml
index 0521985..8bec151 100644
--- a/.github/workflows/deploy-docs.yml
+++ b/.github/workflows/deploy-docs.yml
@@ -20,7 +20,7 @@ jobs:
 
     steps:
     - name: checkout
-      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v 6.0.2
+      uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v 6.0.3
       with:
         fetch-depth: 0
         persist-credentials: false
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 0fad477..784f4ae 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -18,7 +18,7 @@ jobs:
       fail-fast: false
 
     steps:
-    - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v 6.0.2
+    - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v 6.0.3
       with:
         fetch-depth: 0
         persist-credentials: false
diff --git a/.github/workflows/tests_octave.yml b/.github/workflows/tests_octave.yml
index 68ca040..25803fd 100644
--- a/.github/workflows/tests_octave.yml
+++ b/.github/workflows/tests_octave.yml
@@ -18,7 +18,7 @@ jobs:
       fail-fast: false
 
     steps:
-    - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v 6.0.2
+    - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v 6.0.3
       with:
         fetch-depth: 0
         persist-credentials: false