diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 802f772..9f93375 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -22,7 +22,7 @@ jobs:
       yaml: ${{ steps.changes.outputs.yaml_all }}
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Filter changed paths
         uses: opsmill/paths-filter@v3.0.2
         id: changes
@@ -38,7 +38,7 @@ jobs:
     timeout-minutes: 5
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           submodules: true
       - name: Install Ruff
@@ -56,7 +56,7 @@ jobs:
     timeout-minutes: 5
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           submodules: true
       - name: Install yamllint
@@ -82,7 +82,7 @@ jobs:
       build-status: ${{ job.status }}
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           submodules: true
       - name: Update submodules
@@ -119,7 +119,7 @@ jobs:
         working-directory: ./docs
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           submodules: true
       - name: Update submodules