diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 60811c0..f0cb88d 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -30,7 +30,7 @@ jobs:
         arch:
           - x64
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: julia-actions/setup-julia@v1
         with:
           version: ${{ matrix.version }}
diff --git a/.github/workflows/Documentation.yml b/.github/workflows/Documentation.yml
index 3c91a96..cd1c7f3 100644
--- a/.github/workflows/Documentation.yml
+++ b/.github/workflows/Documentation.yml
@@ -12,7 +12,7 @@ jobs:
       contents: write
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: julia-actions/setup-julia@v1
         with:
           version: '1.9'