diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8abb3cb..4003e2e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -42,7 +42,7 @@ jobs:
     name: fmt + vet
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/setup-go@v5
         with:
           go-version: ${{ env.GO_VERSION }}
@@ -66,7 +66,7 @@ jobs:
     name: lint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/setup-go@v5
         with:
           go-version: ${{ env.GO_VERSION }}
@@ -85,7 +85,7 @@ jobs:
     name: test (race + cover)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/setup-go@v5
         with:
           go-version: ${{ env.GO_VERSION }}
@@ -115,7 +115,7 @@ jobs:
     name: security
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/setup-go@v5
         with:
           go-version: ${{ env.GO_VERSION }}
@@ -148,7 +148,7 @@ jobs:
           - goos: windows
             goarch: arm64
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/setup-go@v5
         with:
           go-version: ${{ env.GO_VERSION }}