diff --git a/.github/workflows/check-links.yml b/.github/workflows/check-links.yml
index de11b44..d26d09c 100644
--- a/.github/workflows/check-links.yml
+++ b/.github/workflows/check-links.yml
@@ -10,7 +10,7 @@ jobs:
     permissions:
       issues: write  # required for peter-evans/create-issue-from-file
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Install uv
         uses: astral-sh/setup-uv@v7
       - name: Build documentation
diff --git a/.github/workflows/copilot-setup-steps.yml b/.github/workflows/copilot-setup-steps.yml
index 00ed938..748ce9f 100644
--- a/.github/workflows/copilot-setup-steps.yml
+++ b/.github/workflows/copilot-setup-steps.yml
@@ -18,7 +18,7 @@ jobs:
       contents: read
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - uses: astral-sh/setup-uv@v7
 
diff --git a/.github/workflows/generate.yml b/.github/workflows/generate.yml
index 4a8c494..f5803f7 100644
--- a/.github/workflows/generate.yml
+++ b/.github/workflows/generate.yml
@@ -9,7 +9,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Install uv
       uses: astral-sh/setup-uv@v7
     - name: Generate grants
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 276fbc7..b711cb4 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -6,7 +6,7 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Install uv
       uses: astral-sh/setup-uv@v7
     - name: Test