diff --git a/.github/workflows/commenter.yml b/.github/workflows/commenter.yml
index 480f01b595..f449809a30 100644
--- a/.github/workflows/commenter.yml
+++ b/.github/workflows/commenter.yml
@@ -2,8 +2,13 @@ name: Commenter
 
 on: [pull_request_target]
 
+permissions:
+  contents: read
+
 jobs:
   commenter:
+    permissions:
+      pull-requests: write  # for marocchino/sticky-pull-request-comment to create or update PR comment
     runs-on: ubuntu-latest
     steps:
       - name: Comment PR
diff --git a/.github/workflows/linter.yml b/.github/workflows/linter.yml
index 6273035b57..d3d9678043 100644
--- a/.github/workflows/linter.yml
+++ b/.github/workflows/linter.yml
@@ -2,6 +2,9 @@ name: Linter
 
 on: [push, pull_request]
 
+permissions:
+  contents: read
+
 jobs:
   linter:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/release-drafter.yml b/.github/workflows/release-drafter.yml
index 17fdb961dd..d1955effff 100644
--- a/.github/workflows/release-drafter.yml
+++ b/.github/workflows/release-drafter.yml
@@ -5,8 +5,14 @@ on:
     branches:
       - master
 
+permissions:
+  contents: read
+
 jobs:
   update_release_draft:
+    permissions:
+      contents: write  # for release-drafter/release-drafter to create a github release
+      pull-requests: write  # for release-drafter/release-drafter to add label to PR
     runs-on: ubuntu-latest
     steps:
       - uses: release-drafter/release-drafter@v5
diff --git a/.github/workflows/tester.yml b/.github/workflows/tester.yml
index 64f7130856..e94651c609 100644
--- a/.github/workflows/tester.yml
+++ b/.github/workflows/tester.yml
@@ -2,6 +2,9 @@ name: Tester
 
 on: [push, pull_request]
 
+permissions:
+  contents: read
+
 jobs:
   tester:
     runs-on: ${{ matrix.os }}
@@ -23,6 +26,9 @@ jobs:
         env:
           CI: true
   coverage:
+    permissions:
+      checks: write  # for coverallsapp/github-action to create new checks
+      contents: read  # for actions/checkout to fetch code
     runs-on: ${{ matrix.os }}
     strategy:
       matrix: