diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2b3066a..f573d25 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -26,7 +26,7 @@ jobs:
             version: '1'
             arch: x86
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.version }}
@@ -51,7 +51,7 @@ jobs:
   #   name: Documentation
   #   runs-on: ubuntu-latest
   #   steps:
-  #     - uses: actions/checkout@v2
+  #     - uses: actions/checkout@v4
   #     - uses: julia-actions/setup-julia@v2
   #       with:
   #         version: '1'