diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 47717f4..2260122 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -6,6 +6,9 @@ on:
   pull_request:
     branches: [ "main" ]
 
+permissions:
+  contents: read
+
 jobs:
   build:
 
@@ -16,11 +19,11 @@ jobs:
         python-version: ["3.12", "3.13", "3.14"]
 
     steps:
-    - uses: actions/checkout@v7
+    - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
     - name: Install poetry
       run: pipx install poetry
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v7
+      uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
       with:
         python-version: ${{ matrix.python-version }}
         cache: poetry
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index c85bfdf..5d37ccd 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -1,18 +1,23 @@
+name: Release
+
 on:
   push:
     tags:
       - "v*"
 
+permissions:
+  contents: read
+
 jobs:
   build:
     name: Build distribution
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Install poetry
         run: pipx install poetry
       - name: Set up Python
-        uses: actions/setup-python@v7
+        uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: 3.14
       - name: build sdist and wheel