diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e67b69a..fd1f157 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,6 +7,9 @@ on:
     branches: [main]
   workflow_call:
 
+permissions:
+  contents: read
+
 env:
   CARGO_TERM_COLOR: always
 
@@ -45,6 +48,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: rustsec/audit-check@v2.0.0
+      - uses: taiki-e/install-action@v2
         with:
-          token: ${{ secrets.GITHUB_TOKEN }}
+          tool: cargo-audit
+      - run: cargo audit
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index d6f730e..0a35311 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -4,6 +4,9 @@ on:
   release:
     types: [published]
 
+permissions:
+  contents: read
+
 env:
   CARGO_TERM_COLOR: always