diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 872de76..b6b9780 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -31,7 +31,7 @@ jobs:
         arch:
           - x64
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.version }}
diff --git a/.github/workflows/register.yml b/.github/workflows/register.yml
index 45a83b1..9584ed7 100644
--- a/.github/workflows/register.yml
+++ b/.github/workflows/register.yml
@@ -11,7 +11,7 @@ jobs:
     name: register()
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - name: Comment @JuliaRegistrator register()
       uses: peter-evans/commit-comment@v3
       with: