diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index b7f1f45..41f45a4 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -18,7 +18,7 @@ jobs:
         # BDShotConfig — out of scope for header-parse / sanity CI.
         mcu: [atmega32u4]
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Install AVR toolchain
         run: |