diff --git a/.github/workflows/build-host.yml b/.github/workflows/build-host.yml
index 42dd422..e280c8e 100644
--- a/.github/workflows/build-host.yml
+++ b/.github/workflows/build-host.yml
@@ -17,7 +17,7 @@ jobs:
       matrix:
         host: ${{ fromJson(inputs.hosts) }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: cachix/install-nix-action@v31
         with:
           extra_nix_config: experimental-features = nix-command flakes pipe-operators
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c765d8b..bbcc665 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,7 +15,7 @@ jobs:
       servers: ${{ steps.servers.outputs.servers }}
       workstations: ${{ steps.workstations.outputs.workstations }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: cachix/install-nix-action@v31
         with:
           extra_nix_config: experimental-features = nix-command flakes pipe-operators
@@ -56,7 +56,7 @@ jobs:
       matrix:
         package: ${{ fromJson(needs.parse-flake.outputs.packages) }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: cachix/install-nix-action@v31
         with:
           extra_nix_config: experimental-features = nix-command flakes pipe-operators
@@ -76,7 +76,7 @@ jobs:
       matrix:
         check: ${{ fromJson(needs.parse-flake.outputs.checks) }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: cachix/install-nix-action@v31
         with:
           extra_nix_config: experimental-features = nix-command flakes pipe-operators
@@ -108,7 +108,7 @@ jobs:
     permissions:
       contents: write
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Push to deploy branch
         run: git push --force origin HEAD:refs/heads/deploy
   await-deploy:
diff --git a/.github/workflows/update.yml b/.github/workflows/update.yml
index 1c7bf57..651cc34 100644
--- a/.github/workflows/update.yml
+++ b/.github/workflows/update.yml
@@ -7,7 +7,7 @@ jobs:
   update:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           token: ${{ secrets.PAT }}
       - uses: cachix/install-nix-action@v31