From 53a6c80e7eab4d0581632fee7124ec9431a66f4d Mon Sep 17 00:00:00 2001
From: Facundo Tuesca <facundo.tuesca@trailofbits.com>
Date: Fri, 22 May 2026 16:24:01 +0200
Subject: [PATCH 1/4] Pin GH actions

---
 .github/workflows/add_to_project.yml | 2 +-
 .github/workflows/tests.yml          | 6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/add_to_project.yml b/.github/workflows/add_to_project.yml
index c3dc741..f5748f0 100644
--- a/.github/workflows/add_to_project.yml
+++ b/.github/workflows/add_to_project.yml
@@ -14,7 +14,7 @@ jobs:
     name: Add to project
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/add-to-project@v2.0.0
+      - uses: actions/add-to-project@5afcf98fcd03f1c2f92c3c83f58ae24323cc57fd # v2.0.0
         with:
           project-url: https://github.com/orgs/trailofbits/projects/12
           github-token: ${{ secrets.ADD_TO_PROJECT_PAT }}
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index e23c5d0..db7977a 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -20,11 +20,11 @@ jobs:
     runs-on: ${{ matrix.os }}
 
     steps:
-    - uses: actions/checkout@v6.0.2
+    - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       with:
         submodules: recursive
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v6
+      uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install Python Dependencies
@@ -33,7 +33,7 @@ jobs:
         pip install setuptools
         pip install .[dev]
     - name: Scan with pip-audit
-      uses: trailofbits/gh-action-pip-audit@v1.1.0
+      uses: trailofbits/gh-action-pip-audit@1220774d901786e6f652ae159f7b6bc8fea6d266 # v1.1.0
     - name: Lint with flake8
       run: |
         # stop the build if there are Python syntax errors or undefined names

From f95876f20e0bb14697f8861be66cae3fd1c31925 Mon Sep 17 00:00:00 2001
From: Facundo Tuesca <facundo.tuesca@trailofbits.com>
Date: Fri, 22 May 2026 16:34:25 +0200
Subject: [PATCH 2/4] Add dependabot cooldown

---
 .github/dependabot.yml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 5b1b32f..fa7ddb4 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -5,3 +5,5 @@ updates:
     directory: /
     schedule:
       interval: daily
+    cooldown:
+      default-days: 7

From 6360d4550ec1a62d60969ca4229c70c9c5ec3aa0 Mon Sep 17 00:00:00 2001
From: Facundo Tuesca <facundo.tuesca@trailofbits.com>
Date: Fri, 22 May 2026 16:31:30 +0200
Subject: [PATCH 3/4] Solve zizmor findings

---
 .github/workflows/add_to_project.yml | 1 +
 .github/workflows/tests.yml          | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/.github/workflows/add_to_project.yml b/.github/workflows/add_to_project.yml
index f5748f0..db6c434 100644
--- a/.github/workflows/add_to_project.yml
+++ b/.github/workflows/add_to_project.yml
@@ -8,6 +8,7 @@ on:
     types:
       - opened
       
+permissions: {}
 
 jobs:
   add-to-project:
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index db7977a..069b15a 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -9,6 +9,8 @@ on:
   pull_request:
     branches: [ master ]
 
+permissions: {}
+
 jobs:
   build:
 
@@ -23,6 +25,7 @@ jobs:
     - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       with:
         submodules: recursive
+        persist-credentials: false
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
       with:

From e36aa2403689766998e58b79a1b961991f5298a4 Mon Sep 17 00:00:00 2001
From: Facundo Tuesca <facundo.tuesca@trailofbits.com>
Date: Fri, 22 May 2026 16:34:00 +0200
Subject: [PATCH 4/4] Add zizmor workflow

---
 .github/workflows/zizmor.yml | 24 ++++++++++++++++++++++++
 1 file changed, 24 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..481b321
--- /dev/null
+++ b/.github/workflows/zizmor.yml
@@ -0,0 +1,24 @@
+name: GitHub Actions Security Analysis with zizmor 🌈
+
+on:
+  push:
+    branches: ["main", "master"]
+  pull_request:
+    branches: ["**"]
+
+permissions: {}
+
+jobs:
+  zizmor:
+    name: Run zizmor 🌈
+    runs-on: ubuntu-latest
+    permissions:
+      security-events: write # Required for upload-sarif (used by zizmor-action) to upload SARIF files.
+    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