diff --git a/.github/workflows/action.yaml b/.github/workflows/action.yaml
index d062a65..fb73a49 100644
--- a/.github/workflows/action.yaml
+++ b/.github/workflows/action.yaml
@@ -10,13 +10,13 @@ jobs:
         os:
           - ubuntu-latest
           - windows-latest
-          - macOS-13
+          - macOS-15
         nim-version:
           - binary:stable
           - nightly:https://github.com/nim-lang/nightlies/releases/tag/latest-devel
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup nim
         uses: iffy/install-nim@v5