diff --git a/.github/workflows/branch.yml b/.github/workflows/branch.yml
index 31e624ed..1a9dc9b0 100644
--- a/.github/workflows/branch.yml
+++ b/.github/workflows/branch.yml
@@ -4,6 +4,8 @@ name: Branch Checks
 on:
   pull_request:
 
+permissions: {}
+
 jobs:
   target_branch:
     name: PR targets branch
diff --git a/.github/workflows/codeowners.yml b/.github/workflows/codeowners.yml
index ed9ba265..6039421d 100644
--- a/.github/workflows/codeowners.yml
+++ b/.github/workflows/codeowners.yml
@@ -7,6 +7,8 @@ on:
       - 'CODEOWNERS'
       - 'CODEOWNERS.in'
 
+permissions: {}
+
 jobs:
   updated:
     name: Up-to-date
diff --git a/.github/workflows/dependent-issues.yml b/.github/workflows/dependent-issues.yml
index 91bde50c..aec23b74 100644
--- a/.github/workflows/dependent-issues.yml
+++ b/.github/workflows/dependent-issues.yml
@@ -19,6 +19,11 @@ on:
   schedule:
     - cron: '0 0/6 * * *'  # every 6 hours
 
+permissions:
+  issues: write
+  pull-requests: write
+  statuses: write
+
 jobs:
   check:
     name: Check Dependencies
diff --git a/.github/workflows/e2e.yml b/.github/workflows/e2e.yml
index e3e75acc..612a580b 100644
--- a/.github/workflows/e2e.yml
+++ b/.github/workflows/e2e.yml
@@ -4,6 +4,8 @@ name: End to End Tests
 on:
   pull_request:
 
+permissions: {}
+
 jobs:
   e2e:
     name: E2E
diff --git a/.github/workflows/linting.yml b/.github/workflows/linting.yml
index 7892a07b..c951d3ad 100644
--- a/.github/workflows/linting.yml
+++ b/.github/workflows/linting.yml
@@ -4,6 +4,8 @@ name: Linting
 on:
   pull_request:
 
+permissions: {}
+
 jobs:
   apply-suggestions-commits:
     name: 'No "Apply suggestions from code review" Commits'
diff --git a/.github/workflows/periodic.yml b/.github/workflows/periodic.yml
index c6b76a7a..6e65df53 100644
--- a/.github/workflows/periodic.yml
+++ b/.github/workflows/periodic.yml
@@ -5,6 +5,8 @@ on:
   schedule:
     - cron: "0 0 * * 0"
 
+permissions: {}
+
 jobs:
   markdown-link-check-periodic:
     name: Markdown Links (all files)
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 6e91362c..3e4a5dfa 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -8,6 +8,12 @@ on:
     paths:
       - 'releases/**'
 
+permissions:
+  contents: write
+  packages: write
+  pull-requests: write
+  issues: write
+
 jobs:
   release:
     name: Release
diff --git a/.github/workflows/validation.yml b/.github/workflows/validation.yml
index cd31ccd8..761e9dda 100644
--- a/.github/workflows/validation.yml
+++ b/.github/workflows/validation.yml
@@ -4,6 +4,8 @@ name: Validation
 on:
   pull_request:
 
+permissions: {}
+
 jobs:
   yamls:
     name: Release YAMLs