diff --git a/.github/workflows/Benchmark.yml b/.github/workflows/Benchmark.yml
index 4e7a1d8..0a0d1a2 100644
--- a/.github/workflows/Benchmark.yml
+++ b/.github/workflows/Benchmark.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     if: contains(github.event.pull_request.labels.*.name, 'run benchmark')
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: julia-actions/setup-julia@latest
       - name: Cache artifacts
         uses: actions/cache@v1
diff --git a/.github/workflows/UnitTest.yml b/.github/workflows/UnitTest.yml
index 2fa6702..ce482b4 100644
--- a/.github/workflows/UnitTest.yml
+++ b/.github/workflows/UnitTest.yml
@@ -20,7 +20,7 @@ jobs:
             julia-version: '1'
             julia-arch: x86
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: "Set up Julia"
         uses: julia-actions/setup-julia@v1