diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b449ab6b..3c54f024 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -5,11 +5,11 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
       with:
         fetch-depth: 0
     - name: Setup Nodejs
-      uses: actions/setup-node@v6
+      uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
       with:
         node-version-file: '.nvmrc'
     - name: Install dependencies
@@ -25,7 +25,7 @@ jobs:
     - name: i18n_extract
       run: npm run i18n_extract
     - name: Coverage
-      uses: codecov/codecov-action@v5
+      uses: codecov/codecov-action@75cd11691c0faa626561e295848008c8a7dddffe # v5.5.4
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
         fail_ci_if_error: true