From 4a4b48b0134befbc55a0be736759db27d058edd4 Mon Sep 17 00:00:00 2001
From: Luc Perkins <lucperkins@gmail.com>
Date: Mon, 11 May 2026 16:54:55 -0500
Subject: [PATCH 1/2] Apply pinning to GitHub Actions

---
 .github/dependabot.yml        | 16 ++++++++++++++++
 .github/workflows/ci.yml      |  4 +++-
 .github/workflows/release.yml |  4 +++-
 .github/zizmor.yml            |  5 +++++
 4 files changed, 27 insertions(+), 2 deletions(-)
 create mode 100644 .github/dependabot.yml
 create mode 100644 .github/zizmor.yml

diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..586a818
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,16 @@
+version: 2
+
+updates:
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: weekly
+    cooldown:
+      default-days: 7
+    groups:
+      actions:
+        patterns: ["*"]
+    ignore:
+      - dependency-name: "DeterminateSystems/*"
+    commit-message:
+      prefix: ci
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 544491d..771ec0e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,7 +11,9 @@ jobs:
       id-token: "write"
       contents: "read"
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
       - uses: ./.
       - run: nix develop -c typos
         if: success() || failure()
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index b0aa906..2bc12a3 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -25,7 +25,9 @@ jobs:
           shorttag=$(echo "$VERSION" | cut -d'.' -f1)
           echo "shorttag=$shorttag" >> "$GITHUB_OUTPUT"
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
       - name: Create the short tag
         env:
           SHORTTAG: ${{ steps.check_tag.outputs.shorttag }}
diff --git a/.github/zizmor.yml b/.github/zizmor.yml
new file mode 100644
index 0000000..abdc40b
--- /dev/null
+++ b/.github/zizmor.yml
@@ -0,0 +1,5 @@
+rules:
+  unpinned-uses:
+    config:
+      policies:
+        DeterminateSystems/*: ref-pin

From 12620061c689cb48541da2208d2625c5bc734e3b Mon Sep 17 00:00:00 2001
From: Luc Perkins <lucperkins@gmail.com>
Date: Thu, 28 May 2026 16:50:52 -0700
Subject: [PATCH 2/2] Add zizmor checking workflow

---
 .github/workflows/zizmor.yml | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 .github/workflows/zizmor.yml

diff --git a/.github/workflows/zizmor.yml b/.github/workflows/zizmor.yml
new file mode 100644
index 0000000..e6a3c98
--- /dev/null
+++ b/.github/workflows/zizmor.yml
@@ -0,0 +1,25 @@
+name: zizmor
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+jobs:
+  zizmor:
+    runs-on: ubuntu-latest
+    permissions:
+      security-events: write
+      contents: read
+      actions: read
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
+
+      - name: Run zizmor
+        uses: zizmorcore/zizmor-action@5f14fd08f7cf1cb1609c1e344975f152c7ee938d # v0.5.6
+        with:
+          config: .github/zizmor.yml