diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index d942106a..74808e67 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -11,7 +11,7 @@ jobs:
   dist:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
 
     - uses: hynek/build-and-inspect-python-package@v2
 
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 6b9f3c8f..dc823799 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -37,7 +37,7 @@ jobs:
     name: Linters (mypy, ruff, etc.)
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - uses: actions/setup-python@v6
       id: python
       with:
@@ -91,7 +91,7 @@ jobs:
           test_select: android
     timeout-minutes: 180
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - uses: actions/setup-python@v6
       name: Install Python ${{ matrix.python_version }}
       with:
@@ -220,7 +220,7 @@ jobs:
     outputs:
       archs: ${{ steps.archs.outputs.archs }}
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - uses: actions/setup-python@v6
       with:
         python-version: "3.x"
@@ -243,7 +243,7 @@ jobs:
       matrix:
         arch: ${{ fromJSON(needs.emulated-archs.outputs.archs) }}
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - uses: actions/setup-python@v6
       with:
         python-version: "3.x"
@@ -263,7 +263,7 @@ jobs:
     runs-on: ubuntu-24.04
     timeout-minutes: 180
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - uses: actions/setup-python@v6
       name: Install Python 3.12
       with:
diff --git a/.github/workflows/update-dependencies.yml b/.github/workflows/update-dependencies.yml
index 4c70041b..9c625326 100644
--- a/.github/workflows/update-dependencies.yml
+++ b/.github/workflows/update-dependencies.yml
@@ -30,7 +30,7 @@ jobs:
         app-id: ${{ secrets.CIBUILDWHEEL_BOT_APP_ID }}
         private-key: ${{ secrets.CIBUILDWHEEL_BOT_APP_PRIVATE_KEY }}
 
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
 
     - uses: wntrblm/nox@2025.11.12
 
diff --git a/.github/workflows/update-major-minor-tag.yml b/.github/workflows/update-major-minor-tag.yml
index 1f587db2..2d48506a 100644
--- a/.github/workflows/update-major-minor-tag.yml
+++ b/.github/workflows/update-major-minor-tag.yml
@@ -21,7 +21,7 @@ jobs:
     permissions:
       contents: write
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Update the ${{ env.TAG_NAME }} tag
         id: update-major-minor-tag