diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a9ae731..7cfba9e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,6 +12,9 @@ concurrency:
   group: ${{ github.workflow }}-${{ github.head_ref }}
   cancel-in-progress: true
 
+permissions:
+  contents: read
+
 jobs:
   test-build:
     name: 👷 Test & Build ${{ matrix.goVer }}${{ matrix.label }}
diff --git a/.github/workflows/initiate_release.yml b/.github/workflows/initiate_release.yml
index 299bf50..7f441b6 100644
--- a/.github/workflows/initiate_release.yml
+++ b/.github/workflows/initiate_release.yml
@@ -9,6 +9,10 @@ on:
         type: string
         pattern: "^v[0-9]+\\.[0-9]+\\.[0-9]+$"
 
+permissions:
+  contents: write
+  pull-requests: write
+
 jobs:
   init_release:
     name: 🚀 Create release PR
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index b55cdf3..2c26c2c 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -6,6 +6,9 @@ concurrency:
   group: ${{ github.workflow }}-${{ github.head_ref }}
   cancel-in-progress: true
 
+permissions:
+  contents: read
+
 jobs:
   lint:
     name: 👮 Lint
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 05b51b8..4e9326a 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -6,6 +6,9 @@ on:
     branches:
       - main
 
+permissions:
+  contents: write
+
 jobs:
   Release:
     name: 🚀 Release
diff --git a/.github/workflows/reviewdog.yml b/.github/workflows/reviewdog.yml
index a1785c3..136c816 100644
--- a/.github/workflows/reviewdog.yml
+++ b/.github/workflows/reviewdog.yml
@@ -6,6 +6,10 @@ concurrency:
   group: ${{ github.workflow }}-${{ github.head_ref }}
   cancel-in-progress: true
 
+permissions:
+  contents: read
+  pull-requests: write
+
 jobs:
   reviewdog:
     name: 🐶 Reviewdog
diff --git a/.github/workflows/scheduled_test.yml b/.github/workflows/scheduled_test.yml
index e543d4d..a63739d 100644
--- a/.github/workflows/scheduled_test.yml
+++ b/.github/workflows/scheduled_test.yml
@@ -6,6 +6,9 @@ on:
     # Monday at 9:00 UTC
     - cron: "0 9 * * 1"
 
+permissions:
+  contents: read
+
 jobs:
   test:
     runs-on: ubuntu-latest