diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 267260a..bd7beb3 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -5,6 +5,9 @@ on:
     branches:
       - main
 
+permissions:
+  contents: read
+
 jobs:
   lint:
     runs-on: ubuntu-24.04
diff --git a/.github/workflows/test-genai-function-calling.yml b/.github/workflows/test-genai-function-calling.yml
index b6d31e8..08f6e32 100644
--- a/.github/workflows/test-genai-function-calling.yml
+++ b/.github/workflows/test-genai-function-calling.yml
@@ -9,6 +9,9 @@ on:
       - '!**/*.md'
       - '!**/*.png'
 
+permissions:
+  contents: read
+
 jobs:
   test:
     runs-on: ubuntu-24.04