diff --git a/.github/workflows/docs.yaml b/.github/workflows/docs.yaml
index be08d4a9bd..d42f0172eb 100644
--- a/.github/workflows/docs.yaml
+++ b/.github/workflows/docs.yaml
@@ -7,7 +7,7 @@ jobs:
   doxygen:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Install Doxygen
         run: |
           # doxygen on apt is too old
diff --git a/.github/workflows/lint.yaml b/.github/workflows/lint.yaml
index 6ccc424cee..9c7e6a4724 100644
--- a/.github/workflows/lint.yaml
+++ b/.github/workflows/lint.yaml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - name: Git
diff --git a/.github/workflows/pr.yaml b/.github/workflows/pr.yaml
index 5d7e17409d..5a9b91e950 100644
--- a/.github/workflows/pr.yaml
+++ b/.github/workflows/pr.yaml
@@ -6,5 +6,5 @@ jobs:
     name: Check matched assembly files are deleted
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - run: ./coverage.py --fail-undeleted
diff --git a/.github/workflows/python.yaml b/.github/workflows/python.yaml
index 3d2a59e7b1..3517685aab 100644
--- a/.github/workflows/python.yaml
+++ b/.github/workflows/python.yaml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - name: Set up Python 3.8