diff --git a/.github/workflows/docs.yaml b/.github/workflows/docs.yaml
index b6121b23b..c05343d70 100644
--- a/.github/workflows/docs.yaml
+++ b/.github/workflows/docs.yaml
@@ -36,7 +36,7 @@ jobs:
     runs-on: ubuntu-24.04
     timeout-minutes: 30
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
@@ -74,7 +74,7 @@ jobs:
     permissions:
       contents: write
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index 2bf49bfc1..598540e57 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -16,7 +16,7 @@ jobs:
     outputs:
       prepared: ${{ steps.validate.outputs.prepared }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Validate commit message
         id: validate
@@ -45,7 +45,7 @@ jobs:
           app-id: ${{ vars.RELEASE_BOT_APP_ID }}
           private-key: ${{ secrets.RELEASE_BOT_PRIVATE_KEY }}
 
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
           ref: main
@@ -88,7 +88,7 @@ jobs:
     if: needs.check-preparation.outputs.prepared == 'true'
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - uses: astral-sh/setup-uv@v6
         with:
@@ -166,7 +166,7 @@ jobs:
     permissions:
       contents: write
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - uses: actions/setup-python@v6
         with:
diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index e8713993b..39534b461 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -22,7 +22,7 @@ jobs:
   lint:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - uses: astral-sh/setup-uv@v6
         with:
@@ -47,7 +47,7 @@ jobs:
       matrix:
         python-version: ['3.11', '3.12', '3.13', '3.14']
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - uses: astral-sh/setup-uv@v6
         with:
@@ -71,7 +71,7 @@ jobs:
     # Only run on main branch or when called by release workflow (not on PRs)
     if: github.event_name != 'pull_request'
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - uses: astral-sh/setup-uv@v6
         with:
@@ -92,7 +92,7 @@ jobs:
     runs-on: ubuntu-24.04
     needs: lint
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - uses: astral-sh/setup-uv@v6
         with: