diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 60079ea..03b1433 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -6,8 +6,14 @@ on:
     branches: [main]
   workflow_dispatch:
 
+permission:
+  contents: read
+
 jobs:
   lint:
+    permissions:
+      contents: read
+      statuses: write
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
diff --git a/.github/workflows/update-main-version.yml b/.github/workflows/update-main-version.yml
index 3f1312e..eb4234d 100644
--- a/.github/workflows/update-main-version.yml
+++ b/.github/workflows/update-main-version.yml
@@ -14,6 +14,9 @@ on:
         options:
           - "v1"
 
+permissions:
+  contents: write
+
 jobs:
   tag:
     runs-on: ubuntu-latest