diff --git a/.github/workflows/builder-release.yaml b/.github/workflows/builder-release.yaml
index b48762f0a..0baa27177 100644
--- a/.github/workflows/builder-release.yaml
+++ b/.github/workflows/builder-release.yaml
@@ -25,7 +25,7 @@ jobs:
         with:
           fetch-depth: 0
           repository: "jackgopack4/opentelemetry-collector"
-          ref: ${{ github.ref_name }}
+          ref: "cmd/builder/${{ github.ref_name }}"
           path: ".core"
       - name: Setup Go
         uses: actions/setup-go@0a12ed9d6a96ab950c8f026ed9f722fe0da7ef32 # v5.0.2