diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 87f11c7d..95076aa0 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -22,7 +22,7 @@ jobs:
 
     name: python-${{ matrix.python-version }}-${{ matrix.runs-on }}
     steps:
-    - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+    - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       with:
         fetch-depth: 0
         path: src
@@ -38,7 +38,7 @@ jobs:
         version: 1.10.0
 
     - name: Download dashboard script
-      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       with:
         repository: 'python-cmake-buildsystem/python-cmake-buildsystem'
         ref: dashboard