diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index b81841f..64b8043 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -8,7 +8,7 @@ jobs:
   build-ubuntu:
     runs-on: ubuntu-22.04
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: setup
       run: sudo apt-get update && sudo apt-get -y -qq install clang-tidy cppcheck cflow spell gcc-powerpc64-linux-gnu gcc-powerpc-linux-gnu gcc-aarch64-linux-gnu gcc-i686-linux-gnu qemu-user-binfmt
     - name: test-main
@@ -35,7 +35,7 @@ jobs:
       matrix:
         arch: [amd64, amd64_x86, amd64_arm, amd64_arm64]
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: ilammy/msvc-dev-cmd@v1
         with:
           arch: ${{ matrix.arch }}