diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 81c0d41..d025538 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -5,6 +5,9 @@ on:
   pull_request:
     branches: ["main"]
 
+permissions:
+  contents: read
+
 jobs:
   build:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 1935bbd..675c478 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -4,6 +4,10 @@ on:
       - main
 
 name: Release
+permissions:
+  contents: write
+  pull-requests: write
+
 jobs:
   release-please:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index b5d1a40..62ba36e 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -5,6 +5,9 @@ on:
   pull_request:
     branches: ["main"]
 
+permissions:
+  contents: read
+
 jobs:
   test:
     runs-on: ubuntu-latest