diff --git a/.github/workflows/build-conquest-python.yml b/.github/workflows/build-conquest-python.yml
index f852aaf..d14e4cb 100644
--- a/.github/workflows/build-conquest-python.yml
+++ b/.github/workflows/build-conquest-python.yml
@@ -32,7 +32,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set output
         id: set_output
@@ -65,7 +65,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v6
diff --git a/.github/workflows/common_ccdc_status_checks.yml b/.github/workflows/common_ccdc_status_checks.yml
index 43208c3..406af0f 100644
--- a/.github/workflows/common_ccdc_status_checks.yml
+++ b/.github/workflows/common_ccdc_status_checks.yml
@@ -10,7 +10,7 @@ jobs:
   ccdc-commit-hooks-on-pull-request-check:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           ref: ${{ github.head_ref }}
           fetch-depth: 0
diff --git a/.github/workflows/lint-dockerfiles.yml b/.github/workflows/lint-dockerfiles.yml
index d5de298..8689b5d 100644
--- a/.github/workflows/lint-dockerfiles.yml
+++ b/.github/workflows/lint-dockerfiles.yml
@@ -12,7 +12,7 @@ jobs:
       changed-files: ${{ steps.file-changes.outputs.changed-files }}
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/lint-markdown.yml b/.github/workflows/lint-markdown.yml
index deb8b7f..102fc98 100644
--- a/.github/workflows/lint-markdown.yml
+++ b/.github/workflows/lint-markdown.yml
@@ -12,7 +12,7 @@ jobs:
       changed-files: ${{ steps.file-changes.outputs.changed-files }}
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/lint-python.yml b/.github/workflows/lint-python.yml
index e6c3fd3..5b430e5 100644
--- a/.github/workflows/lint-python.yml
+++ b/.github/workflows/lint-python.yml
@@ -15,7 +15,7 @@ jobs:
         python_version: ["3.11"]
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/lint-yaml.yml b/.github/workflows/lint-yaml.yml
index 2900e79..745d6d7 100644
--- a/.github/workflows/lint-yaml.yml
+++ b/.github/workflows/lint-yaml.yml
@@ -13,7 +13,7 @@ jobs:
       changed-files: ${{ steps.file-changes.outputs.changed-files }}
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0