diff --git a/.github/workflows/ci_publish.yml b/.github/workflows/ci_publish.yml
index 14e3f17..ae1bfc1 100644
--- a/.github/workflows/ci_publish.yml
+++ b/.github/workflows/ci_publish.yml
@@ -19,7 +19,7 @@ jobs:
     name: Publish HTML
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Setup Python
         uses: actions/setup-python@v5
@@ -45,7 +45,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: publish_html
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Deploy to deployed_notebooks branch
         run: |
diff --git a/.github/workflows/ci_tests_run_notebooks.yml b/.github/workflows/ci_tests_run_notebooks.yml
index cbcd71c..4433123 100644
--- a/.github/workflows/ci_tests_run_notebooks.yml
+++ b/.github/workflows/ci_tests_run_notebooks.yml
@@ -43,7 +43,7 @@ jobs:
             os: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332  # v4.1.7
+    - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8  # v5.0.0
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@82c7e631bb3cdc910f68e0081d67478d79c6982d  #v5.1.0
       with:
@@ -63,7 +63,7 @@ jobs:
     name: Buildhtml testing
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Setup Python
         uses: actions/setup-python@v5