diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c4e2012..1235ddf 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,7 +11,7 @@ jobs:
     name: run tests
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-go@v6
         with:
           go-version: '^1.13.0'
@@ -22,7 +22,7 @@ jobs:
     name: check code formatting with gofmt
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-go@v6
         with:
           go-version: '^1.13.0'