diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e20b106..a8798e1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,7 +15,7 @@ jobs:
       matrix:
         node: [20, 22]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: actions/setup-node@v4
         with:
@@ -33,7 +33,7 @@ jobs:
     name: Smoke test (companion dispatcher)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: actions/setup-node@v4
         with: