diff --git a/.github/workflows/gen-ibom.yaml b/.github/workflows/gen-ibom.yaml
index 8efd371d53..4876497b99 100644
--- a/.github/workflows/gen-ibom.yaml
+++ b/.github/workflows/gen-ibom.yaml
@@ -13,6 +13,7 @@ jobs:
     steps:
     - uses: actions/checkout@v2
       with:
+        submodules: recursive
         fetch-depth: 0
 
     - name: Install prerequisite software