diff --git a/.github/workflows/_build-dists.yml b/.github/workflows/_build-dists.yml
index 9f56e52..d6e0ee1 100644
--- a/.github/workflows/_build-dists.yml
+++ b/.github/workflows/_build-dists.yml
@@ -63,13 +63,13 @@ jobs:
         os: [ubuntu-latest, ubuntu-24.04-arm, windows-latest, windows-11-arm, macos-14]
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           ref: ${{ inputs.ref }}
           persist-credentials: false
       # Host toolchain for the Windows/macOS builds; the Linux manylinux container
       # installs its own Rust via the cibuildwheel `before-all` hook (pyproject.toml).
-      - uses: dtolnay/rust-toolchain@fa04a1451ff1842e2626ccb99004d0195b455a88 # stable
+      - uses: dtolnay/rust-toolchain@2c7215f132e9ebf062739d9130488b56d53c060c # stable
         with:
           toolchain: stable
       # Add the Intel macOS cross-compile target — only meaningful on the
@@ -78,7 +78,7 @@ jobs:
       # outright to keep the step's purpose obvious in the log).
       - if: matrix.os == 'macos-14'
         run: rustup target add x86_64-apple-darwin
-      - uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
+      - uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
         with:
           enable-cache: true
       # Overlay the version-bumped manifests so the wheel carries the release version.
@@ -125,11 +125,11 @@ jobs:
   build_sdist:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           ref: ${{ inputs.ref }}
           persist-credentials: false
-      - uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
+      - uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
         with:
           enable-cache: true
       - if: ${{ inputs.overlay-release-meta }}
diff --git a/.github/workflows/canary-next.yml b/.github/workflows/canary-next.yml
index 15b575e..a5c081d 100644
--- a/.github/workflows/canary-next.yml
+++ b/.github/workflows/canary-next.yml
@@ -37,19 +37,19 @@ jobs:
     name: canary (CPython 3.15-dev)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
       - name: Set up CPython 3.15-dev
         id: setup-python
-        uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
+        uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: '3.15-dev'
           allow-prereleases: true
-      - uses: dtolnay/rust-toolchain@fa04a1451ff1842e2626ccb99004d0195b455a88 # stable
+      - uses: dtolnay/rust-toolchain@2c7215f132e9ebf062739d9130488b56d53c060c # stable
         with:
           toolchain: stable
-      - uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
+      - uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
         with:
           enable-cache: true
 
diff --git a/.github/workflows/canary.yml b/.github/workflows/canary.yml
index 42b2395..261ddf5 100644
--- a/.github/workflows/canary.yml
+++ b/.github/workflows/canary.yml
@@ -33,13 +33,13 @@ jobs:
     name: canary (latest processkit crate)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
-      - uses: dtolnay/rust-toolchain@fa04a1451ff1842e2626ccb99004d0195b455a88 # stable
+      - uses: dtolnay/rust-toolchain@2c7215f132e9ebf062739d9130488b56d53c060c # stable
         with:
           toolchain: stable
-      - uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
+      - uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
         with:
           enable-cache: true
 
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 622a2b0..6390cbb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,10 +18,10 @@ jobs:
   yaml-lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
-      - uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
+      - uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
         with:
           enable-cache: true
       - name: Lint YAML
@@ -34,7 +34,7 @@ jobs:
   actionlint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
       - name: Install actionlint
@@ -59,14 +59,14 @@ jobs:
     name: ruff
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
       # Rust toolchain: needed so `uv sync` can build the PyO3 extension via maturin.
-      - uses: dtolnay/rust-toolchain@fa04a1451ff1842e2626ccb99004d0195b455a88 # stable
+      - uses: dtolnay/rust-toolchain@2c7215f132e9ebf062739d9130488b56d53c060c # stable
         with:
           toolchain: stable
-      - uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
+      - uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
         with:
           enable-cache: true
       - run: uv run ruff format --check .
@@ -76,13 +76,13 @@ jobs:
     name: mypy + stubtest
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
-      - uses: dtolnay/rust-toolchain@fa04a1451ff1842e2626ccb99004d0195b455a88 # stable
+      - uses: dtolnay/rust-toolchain@2c7215f132e9ebf062739d9130488b56d53c060c # stable
         with:
           toolchain: stable
-      - uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
+      - uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
         with:
           enable-cache: true
       - run: uv run mypy
@@ -99,17 +99,17 @@ jobs:
     name: pyright
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
       # A separate job (not an extra step in `typecheck` above): pyright and
       # mypy disagree often enough (overloads/Literal/protocols/Awaitable
       # patterns) that a pyright failure must never be masked by, or
       # muddled with, the mypy/stubtest signal in one job's log.
-      - uses: dtolnay/rust-toolchain@fa04a1451ff1842e2626ccb99004d0195b455a88 # stable
+      - uses: dtolnay/rust-toolchain@2c7215f132e9ebf062739d9130488b56d53c060c # stable
         with:
           toolchain: stable
-      - uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
+      - uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
         with:
           enable-cache: true
       # Checks the public typing surface — see `[tool.pyright]` in
@@ -121,16 +121,16 @@ jobs:
     name: rust-lint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
       # PyO3's build script needs a Python interpreter to resolve its config (even
       # for a check-only clippy build, which never links libpython). Pin one
       # explicitly rather than relying on the runner image's preinstalled python.
-      - uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
+      - uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: '3.x'
-      - uses: dtolnay/rust-toolchain@fa04a1451ff1842e2626ccb99004d0195b455a88 # stable
+      - uses: dtolnay/rust-toolchain@2c7215f132e9ebf062739d9130488b56d53c060c # stable
         with:
           toolchain: stable
           components: clippy, rustfmt
@@ -148,13 +148,13 @@ jobs:
     name: rust-test (windows)
     runs-on: windows-latest
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
-      - uses: dtolnay/rust-toolchain@fa04a1451ff1842e2626ccb99004d0195b455a88 # stable
+      - uses: dtolnay/rust-toolchain@2c7215f132e9ebf062739d9130488b56d53c060c # stable
         with:
           toolchain: stable
-      - uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
+      - uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
         with:
           enable-cache: true
       # Build/install the extension exactly as a normal local checkout does,
@@ -175,13 +175,13 @@ jobs:
         python: ['', '3.14t']
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
-      - uses: dtolnay/rust-toolchain@fa04a1451ff1842e2626ccb99004d0195b455a88 # stable
+      - uses: dtolnay/rust-toolchain@2c7215f132e9ebf062739d9130488b56d53c060c # stable
         with:
           toolchain: stable
-      - uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
+      - uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
         with:
           enable-cache: true
       # `uv run` provisions the interpreter, syncs the env (building the Rust
@@ -258,7 +258,7 @@ jobs:
     # silently-skipped gated test (wrong euid, no cgroup delegation, a
     # process_group fallback, ...) fails the job instead of passing vacuously.
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
       - name: Root, no cgroup delegation -- privilege-drop enforcement
@@ -338,7 +338,7 @@ jobs:
     # while the host-driven compose harness keeps checkout on the glibc runner and
     # confines musl to the container.
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
       - name: Run the full suite on musl (Alpine)
@@ -377,13 +377,13 @@ jobs:
         os: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
-      - uses: dtolnay/rust-toolchain@fa04a1451ff1842e2626ccb99004d0195b455a88 # stable
+      - uses: dtolnay/rust-toolchain@2c7215f132e9ebf062739d9130488b56d53c060c # stable
         with:
           toolchain: stable
-      - uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
+      - uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
         with:
           enable-cache: true
       - run: uv sync --group event-loops
@@ -398,13 +398,13 @@ jobs:
         os: [ubuntu-latest, ubuntu-24.04-arm, windows-latest, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
-      - uses: dtolnay/rust-toolchain@fa04a1451ff1842e2626ccb99004d0195b455a88 # stable
+      - uses: dtolnay/rust-toolchain@2c7215f132e9ebf062739d9130488b56d53c060c # stable
         with:
           toolchain: stable
-      - uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
+      - uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
         with:
           enable-cache: true
       # Verify the abi3 wheel (cp310+) builds on every target OS, not just Linux —
@@ -445,10 +445,10 @@ jobs:
     name: build (musllinux x86_64)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
-      - uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
+      - uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
         with:
           enable-cache: true
       - name: Build + smoke-test musllinux wheels
@@ -473,7 +473,7 @@ jobs:
     # rust-secure-code/advisory-db + crates.io index, both cached by the
     # action between runs).
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
       # Scan the dependency tree for security advisories, banned/duplicate
@@ -488,10 +488,10 @@ jobs:
     name: pip-audit
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
-      - uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
+      - uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
         with:
           enable-cache: true
       # Audit the locked dependency tree. Exporting the lockfile (--no-emit-project
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 76d1f4b..f0bc0a1 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -24,12 +24,12 @@ jobs:
     steps:
       # Actions are pinned to a full commit SHA (supply-chain hardening); the
       # trailing comment records the human-readable version.
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
 
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@99df26d4f13ea111d4ec1a7dddef6063f76b97e9 # v4
+        uses: github/codeql-action/init@e0647621c2984b5ed2f768cb892365bf2a616ad1 # v4
         with:
           languages: python
           queries: security-and-quality
@@ -37,7 +37,7 @@ jobs:
           build-mode: none
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@99df26d4f13ea111d4ec1a7dddef6063f76b97e9 # v4
+        uses: github/codeql-action/analyze@e0647621c2984b5ed2f768cb892365bf2a616ad1 # v4
         with:
           category: "/language:python"
 
@@ -50,17 +50,17 @@ jobs:
       security-events: write
 
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
 
       # Rust requires compilation for CodeQL analysis.
-      - uses: dtolnay/rust-toolchain@fa04a1451ff1842e2626ccb99004d0195b455a88 # stable
+      - uses: dtolnay/rust-toolchain@2c7215f132e9ebf062739d9130488b56d53c060c # stable
         with:
           toolchain: stable
 
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@99df26d4f13ea111d4ec1a7dddef6063f76b97e9 # v4
+        uses: github/codeql-action/init@e0647621c2984b5ed2f768cb892365bf2a616ad1 # v4
         with:
           languages: rust
           queries: security-and-quality
@@ -71,6 +71,6 @@ jobs:
         run: cargo build --features extension-module
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@99df26d4f13ea111d4ec1a7dddef6063f76b97e9 # v4
+        uses: github/codeql-action/analyze@e0647621c2984b5ed2f768cb892365bf2a616ad1 # v4
         with:
           category: "/language:rust"
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 4157ce6..adc036f 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -39,7 +39,7 @@ jobs:
     # can't ship a broken book.
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
       - name: Install mdBook
@@ -62,7 +62,7 @@ jobs:
       name: github-pages
       url: ${{ steps.deployment.outputs.page_url }}
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
       - name: Install mdBook
diff --git a/.github/workflows/nightly-hardening.yml b/.github/workflows/nightly-hardening.yml
index eea3450..15d6f77 100644
--- a/.github/workflows/nightly-hardening.yml
+++ b/.github/workflows/nightly-hardening.yml
@@ -45,13 +45,13 @@ jobs:
     env:
       PROCESSKIT_STRESS_SCALE: '10'
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
-      - uses: dtolnay/rust-toolchain@fa04a1451ff1842e2626ccb99004d0195b455a88 # stable
+      - uses: dtolnay/rust-toolchain@2c7215f132e9ebf062739d9130488b56d53c060c # stable
         with:
           toolchain: stable
-      - uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
+      - uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
         with:
           enable-cache: true
       # Repeat the full suite several times in one job run (rather than only
@@ -83,13 +83,13 @@ jobs:
     name: bench
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
-      - uses: dtolnay/rust-toolchain@fa04a1451ff1842e2626ccb99004d0195b455a88 # stable
+      - uses: dtolnay/rust-toolchain@2c7215f132e9ebf062739d9130488b56d53c060c # stable
         with:
           toolchain: stable
-      - uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
+      - uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
         with:
           enable-cache: true
       - run: uv sync --group bench
@@ -146,13 +146,13 @@ jobs:
     name: mutmut
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
-      - uses: dtolnay/rust-toolchain@fa04a1451ff1842e2626ccb99004d0195b455a88 # stable
+      - uses: dtolnay/rust-toolchain@2c7215f132e9ebf062739d9130488b56d53c060c # stable
         with:
           toolchain: stable
-      - uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
+      - uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
         with:
           enable-cache: true
       - run: uv sync
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 13ed0a7..b58c543 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -66,7 +66,7 @@ jobs:
       # can't be verified from here — it surfaces at the publish pivot with a clear
       # error + a setup link, before anything reaches the remote or the registry.
 
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           ref: main
           fetch-depth: 0 # full history + tags, for version math and git-cliff
@@ -139,7 +139,7 @@ jobs:
           git tag "$PREV_TAG" "$ROOT"
 
       - name: Install git-cliff
-        uses: taiki-e/install-action@43aecc8d72668fbcfe75c31400bc4f890f1c5853 # v2
+        uses: taiki-e/install-action@a6b2e2dcd845ddd7f509ce4f3ed3d922b80cc5d9 # v2
         with:
           tool: git-cliff@2
 
@@ -177,7 +177,7 @@ jobs:
       # with pyproject.toml. Re-lock now so the release commit carries a lockfile
       # consistent with the version it just bumped; no dependency changed, so this
       # only touches that one self-referential field.
-      - uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
+      - uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
         with:
           enable-cache: true
       - name: Re-lock uv.lock against the bumped version
@@ -267,7 +267,7 @@ jobs:
           app-id: ${{ vars.RELEASE_APP_ID }}
           private-key: ${{ secrets.RELEASE_APP_PRIVATE_KEY }}
 
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           ref: main
           fetch-depth: 0
@@ -323,7 +323,7 @@ jobs:
       # `uvx twine check` below resolves. (The publish action does its own
       # metadata check, but this strict pre-pivot gate catches a render/metadata
       # break BEFORE the irreversible step — free here, un-yankable once on PyPI.)
-      - uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
+      - uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
         with:
           enable-cache: true
       - name: Check distribution metadata
@@ -342,7 +342,7 @@ jobs:
       # under OIDC, attaches PEP 740 attestations automatically. (No auto-retry on a
       # transient network error; re-run the workflow — `skip-existing` covers it.)
       - name: Publish to PyPI (irreversible pivot)
-        uses: pypa/gh-action-pypi-publish@cef221092ed1bacb1cc03d23a2d87d1d172e277b # v1.14.0
+        uses: pypa/gh-action-pypi-publish@ba38be9e461d3875417946c167d0b5f3d385a247 # v1.14.1
         with:
           packages-dir: artifacts
           skip-existing: true
diff --git a/.github/workflows/test-release.yml b/.github/workflows/test-release.yml
index 1d8e24e..1d1794b 100644
--- a/.github/workflows/test-release.yml
+++ b/.github/workflows/test-release.yml
@@ -39,7 +39,7 @@ jobs:
     permissions:
       id-token: write # TestPyPI Trusted Publishing (OIDC); also enables the token fallback
     steps:
-      - uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
+      - uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
         with:
           enable-cache: true
       - name: Collect built distributions
@@ -54,7 +54,7 @@ jobs:
         run: uvx 'twine>=6,<7' check --strict ./dist/*
       # OIDC by default (no TESTPYPI_API_TOKEN set); the token is used if present.
       - name: Upload to TestPyPI
-        uses: pypa/gh-action-pypi-publish@cef221092ed1bacb1cc03d23a2d87d1d172e277b # v1.14.0
+        uses: pypa/gh-action-pypi-publish@ba38be9e461d3875417946c167d0b5f3d385a247 # v1.14.1
         with:
           repository-url: https://test.pypi.org/legacy/
           packages-dir: dist