diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index de5010091..c7cdb6153 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -37,6 +37,8 @@ jobs:
       matrix: ${{ steps.set-matrix.outputs.matrix }}
     steps:
       - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
       - id: set-matrix
         run: python3 Buildscripts/gh-generate-device-matrix.py
   BuildFirmware: