diff --git a/.github/workflows/cover.yml b/.github/workflows/cover.yml
index 2beeefa..8e00209 100644
--- a/.github/workflows/cover.yml
+++ b/.github/workflows/cover.yml
@@ -4,20 +4,22 @@ on:
       - master
   pull_request:
 name: Coverage
+permissions:
+  contents: read
 jobs:
   coverage:
     runs-on: ubuntu-latest
     steps:
       - name: Install Go
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@b7ad1dad31e06c5925ef5d2fc7ad053ef454303e # v7.0.0
         with:
-          go-version: '1.23.x'
+          go-version: '1.25.x'
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Test
         run: |
           go test -coverprofile=profile.cov ./...
       - name: Send coverage
-        uses: shogo82148/actions-goveralls@v1
+        uses: shogo82148/actions-goveralls@9606dbc5ac5cf888a0e9ef901515c3cd516a2790 # v1.11.0
         with:
           path-to-profile: profile.cov
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index e2cdef8..0a86d43 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -4,20 +4,22 @@ on:
     - master
   pull_request:
 name: Tests
+permissions:
+  contents: read
 jobs:
   test:
     strategy:
       matrix:
-        go-version: [1.23.x, 1.24.x, 1.25.x]
+        go-version: [1.25.x, 1.26.x]
         platform: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{ matrix.platform }}
     steps:
     - name: Install Go
-      uses: actions/setup-go@v5
+      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