diff --git a/.github/workflows/build-clang-doxy.yml b/.github/workflows/build-clang-doxy.yml
index 6df9ee3e6..98afe00fa 100644
--- a/.github/workflows/build-clang-doxy.yml
+++ b/.github/workflows/build-clang-doxy.yml
@@ -266,7 +266,7 @@ jobs:
         with:
           repository: adafruit/ci-arduino
           path: ci
-          ref: ci-wippersnapper
+          ref: ci-wippersnapper-c6-dio
       - name: Checkout Board Definitions
         uses: actions/checkout@v4
         with: