diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 7447d34cd..161d74e26 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -9,8 +9,15 @@ on:
   schedule:
     - cron: '0 9 * * 6'
 
+permissions:
+  contents: read
+
 jobs:
   analyze:
+    permissions:
+      actions: read  # for github/codeql-action/init to get workflow details
+      contents: read  # for actions/checkout to fetch code
+      security-events: write  # for github/codeql-action/autobuild to send a status report
     name: Analyze
     runs-on: ubuntu-latest
 
diff --git a/.github/workflows/issue.yml b/.github/workflows/issue.yml
index 8fc6eec28..a5d0fe59e 100644
--- a/.github/workflows/issue.yml
+++ b/.github/workflows/issue.yml
@@ -5,8 +5,14 @@ name: Automatic Comment
 on:
   issues:
     types: [opened]
+permissions:
+  contents: read
+
 jobs:
   comment:
+    permissions:
+      issues: write  # for peter-evans/create-or-update-comment to create or update comment
+      pull-requests: write  # for peter-evans/create-or-update-comment to create or update comment
     name: Comment
     runs-on: ubuntu-latest
     steps: