diff --git a/.github/workflows/_checks.yaml b/.github/workflows/_checks.yaml
index 48f0f29..80e7604 100644
--- a/.github/workflows/_checks.yaml
+++ b/.github/workflows/_checks.yaml
@@ -15,7 +15,7 @@ jobs:
   pre_commit:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: ./.github/actions/pre-commit
 
   generate-nox-py-versions:
@@ -23,7 +23,7 @@ jobs:
     outputs:
       py_version: ${{ steps.set-matrix.outputs.py_version }}
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Cache nox Python versions list
       id: cache-nox-py-versions
       uses: actions/cache@v4
@@ -63,7 +63,7 @@ jobs:
         py_version: ${{ fromJson(needs.generate-nox-py-versions.outputs.py_version) }}
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: astral-sh/setup-uv@v7
         with:
           version: "0.8.22"
diff --git a/.github/workflows/release-please.yaml b/.github/workflows/release-please.yaml
index 30cdb20..0ca5f18 100644
--- a/.github/workflows/release-please.yaml
+++ b/.github/workflows/release-please.yaml
@@ -41,7 +41,7 @@ jobs:
       # Update the version in uv.lock only if release-please created or updated a Pull Request.
       # Otherwise the 'checkout' step fails because the 'release-...' branch does not exist.
       # Avoids attempting a uv.lock update immediately after a release-please PR is merged.
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         if: ${{ steps.release.outputs.prs_created == 'true' }}
         with:
           ref: release-please--branches--main