diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7f756a7..d913521 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -2,6 +2,9 @@ name: CI
 
 on: pull_request
 
+permissions:
+  contents: read
+
 concurrency:
   group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
   cancel-in-progress: true
diff --git a/.github/workflows/stable-release.yml b/.github/workflows/stable-release.yml
index d1b9630..5db23a1 100644
--- a/.github/workflows/stable-release.yml
+++ b/.github/workflows/stable-release.yml
@@ -8,6 +8,10 @@ on:
 jobs:
   release:
     runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      issues: write
+      pull-requests: write
     outputs:
       has-new-release: ${{ steps.release.outputs.new_release_published }}
       tag-name: ${{ steps.release.outputs.new_release_git_tag }}
@@ -28,6 +32,8 @@ jobs:
 
   publish:
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
     needs: release
     if: needs.release.outputs.has-new-release == 'true'
     steps: