diff --git a/.github/workflows/functions-ci.yml b/.github/workflows/functions-ci.yml
index f878024..6fa22d1 100644
--- a/.github/workflows/functions-ci.yml
+++ b/.github/workflows/functions-ci.yml
@@ -7,7 +7,7 @@ jobs:
   lint-build-test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/setup-node@v4
         with:
           # Match functions/package.json `"engines": {"node": "22"}` so CI
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 0553760..233f93a 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: actions/setup-java@v4
         with: