diff --git a/.github/workflows/nodejs.yml b/.github/workflows/nodejs.yml
index ab27d81..f6d1fb0 100644
--- a/.github/workflows/nodejs.yml
+++ b/.github/workflows/nodejs.yml
@@ -1,5 +1,7 @@
 name: Node.js CI
 on: [push]
+permissions:
+  contents: read
 jobs:
   build:
     runs-on: ubuntu-latest
@@ -14,3 +16,4 @@ jobs:
     - run: npm test
       env:
         CI: true
+
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index c1b229d..bb5f94c 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -4,6 +4,11 @@ on:
   release:
     types: [created]
 
+permissions:
+  contents: read
+  packages: write
+  metadata: read
+
 jobs:
   publish-npm:
     runs-on: ubuntu-latest