diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7a4e735..e90dd0c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -5,6 +5,10 @@ on:
     branches:
       - master
 
+permissions:
+  contents: read
+  actions: write
+
 jobs:
   build:
     uses: ./.github/workflows/build-ci.yml
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 7e96046..1d34212 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -5,6 +5,10 @@ on:
     tags:
       - "v[0-9]+.[0-9]+.[0-9]+"
 
+permissions:
+  contents: read
+  actions: write
+
 jobs:
   build:
     uses: ./.github/workflows/build-ci.yml