diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1bc73e7..be37b2a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,7 +8,7 @@ jobs:
         go: [ '1.23', '1.24' ]
     name: Go ${{ matrix.go }} build
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-go@v5
         with:
           go-version: ${{ matrix.go }}
@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-latest
     name: lint
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-go@v5
         with:
           go-version: '1.24'
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 87d2bfc..ffaa8f9 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -24,7 +24,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL