diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ac9823e7b..b847cec08 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -19,7 +19,7 @@ jobs:
     container:
       image: ghcr.io/linux-nvme/debian.python:latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: build
         run: |
           scripts/build.sh -b ${{ matrix.buildtype }} -c ${{ matrix.compiler }} -x
@@ -40,7 +40,7 @@ jobs:
           - arch: s390x
           - arch: ppc64le
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: enable foreign arch
         uses: dbhi/qus/action@main
       - name: Login to GitHub Container Registry
@@ -73,7 +73,7 @@ jobs:
     container:
       image: ghcr.io/linux-nvme/debian:latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: build
         run: |
           scripts/build.sh -b release -c gcc libdbus
@@ -92,7 +92,7 @@ jobs:
       image: ghcr.io/linux-nvme/debian:latest
     if: github.ref == 'refs/heads/master'
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: build
         run: |
           scripts/build.sh -b release -c gcc fallback
@@ -109,7 +109,7 @@ jobs:
     container:
       image: ghcr.io/linux-nvme/debian:latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: build
         run: |
           scripts/build.sh -m muon
diff --git a/.github/workflows/checkpatch.yml b/.github/workflows/checkpatch.yml
index 06c60c876..36fe9cea8 100644
--- a/.github/workflows/checkpatch.yml
+++ b/.github/workflows/checkpatch.yml
@@ -7,7 +7,7 @@ jobs:
     steps:
     - name: 'Calculate PR commits + 1'
       run: echo "PR_FETCH_DEPTH=$(( ${{ github.event.pull_request.commits }} + 1 ))" >> $GITHUB_ENV
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
       with:
         ref: ${{ github.event.pull_request.head.sha }}
         fetch-depth: 0
diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index 4858d498a..3661f17b1 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -14,7 +14,7 @@ jobs:
     container:
       image: ghcr.io/linux-nvme/debian.python:latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: build
         run: |
           scripts/build.sh coverage
diff --git a/.github/workflows/docs.yaml b/.github/workflows/docs.yaml
index 73b7ec420..d23269b65 100644
--- a/.github/workflows/docs.yaml
+++ b/.github/workflows/docs.yaml
@@ -16,7 +16,7 @@ jobs:
     container:
       image: ghcr.io/linux-nvme/debian:latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: build
         run: |
           scripts/build.sh docs
diff --git a/.github/workflows/release-python.yml b/.github/workflows/release-python.yml
index 7ff842c59..d1723b1ca 100644
--- a/.github/workflows/release-python.yml
+++ b/.github/workflows/release-python.yml
@@ -21,7 +21,7 @@ jobs:
     container:
       image: ghcr.io/linux-nvme/debian.python:latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Allow workspace
         run: |
@@ -49,7 +49,7 @@ jobs:
       image: ghcr.io/linux-nvme/debian.python:latest
     steps:
       - name: Check out repository (with tags)
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0  # Required for `git describe`
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index f1e373f73..2007704f3 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -14,7 +14,7 @@ jobs:
     permissions:
       contents: write
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: ncipollo/release-action@v1
         with:
           token: ${{ secrets.GITHUB_TOKEN }}