diff --git a/.github/workflows/ci-linux-ros.yml b/.github/workflows/ci-linux-ros.yml
index c1bc30e..371600d 100644
--- a/.github/workflows/ci-linux-ros.yml
+++ b/.github/workflows/ci-linux-ros.yml
@@ -23,7 +23,7 @@ jobs:
       CCACHE_DIR: /github/home/.ccache
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           submodules: recursive
       - uses: actions/cache@v4
diff --git a/.github/workflows/dockgen.yml b/.github/workflows/dockgen.yml
index 817d62f..8bf6d45 100644
--- a/.github/workflows/dockgen.yml
+++ b/.github/workflows/dockgen.yml
@@ -16,7 +16,7 @@ jobs:
       attestations: write
       id-token: write
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - uses: astral-sh/setup-uv@v7
       - run: uvx dockgen
diff --git a/.github/workflows/nix.yml b/.github/workflows/nix.yml
index 011cd04..2945d3d 100644
--- a/.github/workflows/nix.yml
+++ b/.github/workflows/nix.yml
@@ -17,7 +17,7 @@ jobs:
       matrix:
         os: [ubuntu, macos]
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: cachix/install-nix-action@v31
       - uses: cachix/cachix-action@v16
         with: