diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e445c74..418c4dd 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -4,11 +4,16 @@ on:
     branches: [main]
   pull_request:
     branches: [main]
+permissions:
+  contents: read
 env:
   CARGO_TERM_COLOR: always
 jobs:
   fmt:
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      actions: write
     steps:
       - uses: actions/checkout@v6
       - run: rustup show
@@ -17,6 +22,9 @@ jobs:
 
   clippy:
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      actions: write
     steps:
       - uses: actions/checkout@v6
       - run: rustup show
@@ -25,6 +33,9 @@ jobs:
 
   cli-docs:
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      actions: write
     steps:
       - uses: actions/checkout@v6
       - run: rustup show
@@ -55,6 +66,9 @@ jobs:
 
   test:
     runs-on: ${{ matrix.os }}
+    permissions:
+      contents: read
+      actions: write
     strategy:
       fail-fast: false
       matrix: