diff --git a/.github/workflows/build_rdma.yaml b/.github/workflows/build_rdma.yaml
index 7e9c640d..0030df3b 100644
--- a/.github/workflows/build_rdma.yaml
+++ b/.github/workflows/build_rdma.yaml
@@ -16,6 +16,8 @@ jobs:
 
     steps: 
     - uses: actions/checkout@v3
+      with: 
+        submodules: recursive
 
     - name: Compile hardware for rdma_perf example 
       run: |