diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 28b01b9..6d5c475 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -27,10 +27,10 @@ jobs:
     steps:
       # the order of the checkout actions is important because all contents of
       # the target folder of the checkout action is removed
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           repository: ${{ matrix.package }}
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           path: this-action/
       - uses: gap-actions/setup-gap@v3