diff --git a/.github/workflows/buildenv-diff.yml b/.github/workflows/buildenv-diff.yml
index c7d86c2..bd980dd 100644
--- a/.github/workflows/buildenv-diff.yml
+++ b/.github/workflows/buildenv-diff.yml
@@ -20,7 +20,7 @@ jobs:
         with:
           egress-policy: audit
       - name: checkout repository
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v4
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4
       - name: docker login ghcr.io
         uses: Wandalen/wretry.action@e68c23e6309f2871ca8ae4763e7629b9c258e1ea # v3.8.0
         with:
diff --git a/.github/workflows/buildenv.yml b/.github/workflows/buildenv.yml
index 95f5418..d173b4b 100644
--- a/.github/workflows/buildenv.yml
+++ b/.github/workflows/buildenv.yml
@@ -42,7 +42,7 @@ jobs:
         with:
           egress-policy: audit
       - name: checkout repository
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v4
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4
       - name: docker setup buildx
         uses: docker/setup-buildx-action@bb05f3f5519dd87d3ba754cc423b652a5edd6d2c # v4.2.0
       - name: docker login ghcr.io
diff --git a/.github/workflows/digestabot.yml b/.github/workflows/digestabot.yml
index 4ee3a8d..3a92643 100644
--- a/.github/workflows/digestabot.yml
+++ b/.github/workflows/digestabot.yml
@@ -30,7 +30,7 @@ jobs:
       with:
         egress-policy: audit
 
-    - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v4
+    - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4
       with:
         persist-credentials: false
 
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 5599a74..703c8ce 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -18,7 +18,7 @@ jobs:
       SHELLCHECK_VERSION: "0.11.0"
     steps:
       - name: Checkout
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v4
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4
       # Pin tool versions to match the local formatter; a version skew would
       # reformat differently and flip the gate red on already-formatted code.
       - name: Install tools
diff --git a/.github/workflows/matrix.yml b/.github/workflows/matrix.yml
index 66a7949..7e079f6 100644
--- a/.github/workflows/matrix.yml
+++ b/.github/workflows/matrix.yml
@@ -25,7 +25,7 @@ jobs:
         egress-policy: audit
 
     - name: checkout repository
-      uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v4
+      uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4
       with:
         submodules: recursive
     - name: install dependencies
@@ -75,17 +75,17 @@ jobs:
           egress-policy: audit
 
       - name: report disk space (before)
-        uses: edera-dev/actions/report-disk-space@f92635e9fe8739c2b8a78fa87e9c8567bfa81b9c # v0.0.15
+        uses: edera-dev/actions/report-disk-space@6e6996f6fff5d6016bcdc097e9065da6fb33ac7f # v0.0.17
       - name: reclaim runner disk space
         # Kernel builds never touch Rust or the hosted toolcache, so both
         # opt-in removals are on. Must stay before cosign-installer, which
         # installs into the toolcache this deletes.
-        uses: edera-dev/actions/reclaim-disk-space@f92635e9fe8739c2b8a78fa87e9c8567bfa81b9c # v0.0.15
+        uses: edera-dev/actions/reclaim-disk-space@6e6996f6fff5d6016bcdc097e9065da6fb33ac7f # v0.0.17
         with:
           remove-toolcache: 'true'
           remove-rust: 'true'
       - name: checkout repository
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v4
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4
         with:
           submodules: recursive
       - name: install cosign
@@ -135,7 +135,7 @@ jobs:
         # list in hack/build/generate-docker-script.py (docker_compile); a
         # name missing there silently never reaches the build container.
         id: sccache
-        uses: edera-dev/actions/configure-azure-sccache@f92635e9fe8739c2b8a78fa87e9c8567bfa81b9c # v0.0.15
+        uses: edera-dev/actions/configure-azure-sccache@6e6996f6fff5d6016bcdc097e9065da6fb33ac7f # v0.0.17
         with:
           connection-string-rw: ${{ secrets.SCCACHE_AZURE_CONNECTION_STRING }}
           connection-string-ro: ${{ secrets.SCCACHE_AZURE_CONNECTION_STRING_RO }}
@@ -155,7 +155,7 @@ jobs:
       - name: report disk space (after)
         # always() so ENOSPC failures still show where the disk went.
         if: always()
-        uses: edera-dev/actions/report-disk-space@f92635e9fe8739c2b8a78fa87e9c8567bfa81b9c # v0.0.15
+        uses: edera-dev/actions/report-disk-space@6e6996f6fff5d6016bcdc097e9065da6fb33ac7f # v0.0.17
       - name: upload digests
         # Only produced when publishing — push-by-digest path writes digests.json.
         if: ${{ inputs.publish }}
@@ -190,9 +190,9 @@ jobs:
         with:
           egress-policy: audit
       - name: checkout repository
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v4
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4
       - name: set up Python
-        uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
+        uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: '3.13'
       - name: install python deps
diff --git a/.github/workflows/refresh-nvidia.yml b/.github/workflows/refresh-nvidia.yml
index 871e911..b8cfc96 100644
--- a/.github/workflows/refresh-nvidia.yml
+++ b/.github/workflows/refresh-nvidia.yml
@@ -17,7 +17,7 @@ jobs:
         with:
           egress-policy: audit
       - name: checkout repository
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v4
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4
       - name: scrape upstream and rewrite config.yaml
         run: python3 ./hack/build/refresh-nvidia-versions.py
       - name: generate cultivator token