diff --git a/.github/workflows/issue_comment_edited.yml b/.github/workflows/issue_comment_edited.yml
index 79fd94d7..76314df1 100644
--- a/.github/workflows/issue_comment_edited.yml
+++ b/.github/workflows/issue_comment_edited.yml
@@ -20,7 +20,7 @@ jobs:
           app-id: ${{ vars.PR_APP_ID }}
           private-key: ${{ secrets.PR_APP_KEY }}
 
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           sparse-checkout: .github/utilities
 
@@ -39,7 +39,7 @@ jobs:
           GITHUB_TOKEN: ${{ steps.app-token.outputs.token }}
 
       - if: ${{ steps.label_out.outputs.empty_commit == 'true' }}
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           repository: ${{ steps.label_out.outputs.repo }}
           ref: ${{ steps.label_out.outputs.branch }}
diff --git a/.github/workflows/issue_comment_posted.yml b/.github/workflows/issue_comment_posted.yml
index 3a737f0b..13f045df 100644
--- a/.github/workflows/issue_comment_posted.yml
+++ b/.github/workflows/issue_comment_posted.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-24.04
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           sparse-checkout: .github/utilities
 
diff --git a/.github/workflows/periodic_tests.yml b/.github/workflows/periodic_tests.yml
index 6afa704d..d4f4902a 100644
--- a/.github/workflows/periodic_tests.yml
+++ b/.github/workflows/periodic_tests.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-24.04
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - uses: actions/setup-python@v6
         with:
@@ -29,7 +29,7 @@ jobs:
     runs-on: ubuntu-24.04
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - uses: actions/setup-python@v6
         with:
@@ -43,7 +43,7 @@ jobs:
     runs-on: ubuntu-24.04
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - uses: actions/setup-python@v6
         with:
@@ -66,7 +66,7 @@ jobs:
     runs-on: ubuntu-24.04
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - uses: actions/setup-python@v6
         with:
@@ -101,7 +101,7 @@ jobs:
     runs-on: ubuntu-24.04
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - uses: actions/setup-python@v6
         with:
@@ -139,7 +139,7 @@ jobs:
     runs-on: ubuntu-24.04
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - uses: actions/setup-python@v6
         with:
@@ -168,7 +168,7 @@ jobs:
         python-version: [ "3.10", "3.11", "3.12", "3.13" ]
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - uses: actions/setup-python@v6
         with:
@@ -205,7 +205,7 @@ jobs:
     runs-on: ubuntu-24.04
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - uses: actions/setup-python@v6
         with:
diff --git a/.github/workflows/pr_examples.yml b/.github/workflows/pr_examples.yml
index 558c33ad..7699c3d4 100644
--- a/.github/workflows/pr_examples.yml
+++ b/.github/workflows/pr_examples.yml
@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-24.04
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - uses: actions/setup-python@v6
         with:
diff --git a/.github/workflows/pr_label_edited.yml b/.github/workflows/pr_label_edited.yml
index e57b8960..166ab688 100644
--- a/.github/workflows/pr_label_edited.yml
+++ b/.github/workflows/pr_label_edited.yml
@@ -15,7 +15,7 @@ jobs:
           app-id: ${{ vars.PR_APP_ID }}
           private-key: ${{ secrets.PR_APP_KEY }}
 
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           sparse-checkout: .github/utilities
 
diff --git a/.github/workflows/pr_opened.yml b/.github/workflows/pr_opened.yml
index 91ea0033..8d949fb9 100644
--- a/.github/workflows/pr_opened.yml
+++ b/.github/workflows/pr_opened.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-24.04
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           sparse-checkout: .github/utilities
 
diff --git a/.github/workflows/pr_precommit.yml b/.github/workflows/pr_precommit.yml
index 817e9b70..2315d457 100644
--- a/.github/workflows/pr_precommit.yml
+++ b/.github/workflows/pr_precommit.yml
@@ -23,7 +23,7 @@ jobs:
           app-id: ${{ vars.PR_APP_ID }}
           private-key: ${{ secrets.PR_APP_KEY }}
 
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           repository: ${{ github.event.pull_request.head.repo.full_name }}
           ref: ${{ github.head_ref }}
@@ -70,7 +70,7 @@ jobs:
           app-id: ${{ vars.PR_APP_ID }}
           private-key: ${{ secrets.PR_APP_KEY }}
 
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           repository: ${{ github.event.pull_request.head.repo.full_name }}
           ref: ${{ github.head_ref }}
diff --git a/.github/workflows/pr_pytest.yml b/.github/workflows/pr_pytest.yml
index 67fee36b..7d89bce0 100644
--- a/.github/workflows/pr_pytest.yml
+++ b/.github/workflows/pr_pytest.yml
@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-24.04
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - uses: actions/setup-python@v6
         with:
@@ -51,7 +51,7 @@ jobs:
     runs-on: ubuntu-24.04
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - uses: actions/setup-python@v6
         with:
@@ -86,7 +86,7 @@ jobs:
             python-version: "3.12"
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - uses: actions/setup-python@v6
         with:
@@ -116,7 +116,7 @@ jobs:
     runs-on: ubuntu-24.04
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - uses: actions/setup-python@v6
         with:
diff --git a/.github/workflows/pr_typecheck.yml b/.github/workflows/pr_typecheck.yml
index 8d9d632c..0b2d0297 100644
--- a/.github/workflows/pr_typecheck.yml
+++ b/.github/workflows/pr_typecheck.yml
@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-24.04
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - uses: actions/setup-python@v6
         with:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 598075e6..be8acf13 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-24.04
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - uses: actions/setup-python@v6
         with:
@@ -26,7 +26,7 @@ jobs:
     runs-on: ubuntu-24.04
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - uses: actions/setup-python@v6
         with:
@@ -55,7 +55,7 @@ jobs:
         python-version: [ "3.10", "3.11", "3.12", "3.13" ]
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - uses: actions/setup-python@v6
         with:
diff --git a/.github/workflows/weekly_github_maintenance.yml b/.github/workflows/weekly_github_maintenance.yml
index 28517b16..6309635a 100644
--- a/.github/workflows/weekly_github_maintenance.yml
+++ b/.github/workflows/weekly_github_maintenance.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-24.04
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - uses: actions/setup-python@v6
         with:
@@ -48,7 +48,7 @@ jobs:
       id-token: write
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - uses: ossf/scorecard-action@v2.4.3
         with: