diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 1acdd98..5a92ac0 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -4,6 +4,8 @@ on:
     - master
   pull_request:
 name: Tests
+permissions:
+  contents: read
 jobs:
   test:
     strategy:
@@ -13,11 +15,11 @@ jobs:
     runs-on: ${{ matrix.platform }}
     steps:
     - name: Install Go
-      uses: actions/setup-go@v1
+      uses: actions/setup-go@b7ad1dad31e06c5925ef5d2fc7ad053ef454303e # v7.0.0
       with:
         go-version: ${{ matrix.go-version }}
     - name: Checkout code
-      uses: actions/checkout@v2
+      uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
     - name: Test
       run: |
         go version