diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7753e4f02..6112795da 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -22,7 +22,7 @@ jobs:
     name: uv workspace (lock + sync + import smoke)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
       - uses: astral-sh/setup-uv@fac544c07dec837d0ccb6301d7b5580bf5edae39 # v8.2.0
         with:
           version: "0.11.x"
@@ -38,7 +38,7 @@ jobs:
     name: Build (cmake + uv sync --extra megakernel)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           submodules: recursive
           token: ${{ secrets.SUBMODULE_PAT || secrets.GITHUB_TOKEN }}
@@ -154,7 +154,7 @@ jobs:
       group: lucebox3-gpu-runner
       cancel-in-progress: false
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           submodules: recursive
           token: ${{ secrets.SUBMODULE_PAT || secrets.GITHUB_TOKEN }}
@@ -229,7 +229,7 @@ jobs:
       group: lucebox3-rocm-runner
       cancel-in-progress: false
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
 
       - name: KFD health (diagnose instead of hanging)
         # rocminfo on a wedged KFD blocks in uninterruptible sleep and eats
diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 69ca622ce..18e3380ff 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -110,7 +110,7 @@ jobs:
           large-packages: false   # slow; preinstalled apt packages we don't need
           swap-storage: true
 
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           # Submodule contents are needed by the cmake build (llama.cpp ggml
           # subtree, mit-han-lab Block-Sparse-Attention). The Dockerfile
diff --git a/.github/workflows/speed-profile.yml b/.github/workflows/speed-profile.yml
index c6e5991e1..66a591936 100644
--- a/.github/workflows/speed-profile.yml
+++ b/.github/workflows/speed-profile.yml
@@ -44,7 +44,7 @@ jobs:
       TOKENIZER: ${{ vars.LUCEBOX_TOKENIZER || vars.LUCEBOX_SPEED_PROFILE_TOKENIZER || 'Qwen/Qwen3.6-27B' }}
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
         with:
           submodules: recursive
           token: ${{ secrets.SUBMODULE_PAT || secrets.GITHUB_TOKEN }}
@@ -200,7 +200,7 @@ jobs:
 
       - name: Upload artifacts (json + markdown + nsys trace)
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: speed-profile-${{ github.run_id }}
           path: |