diff --git a/.github/workflows/ci-workflow.yml b/.github/workflows/ci-workflow.yml
index d576456..ed62074 100644
--- a/.github/workflows/ci-workflow.yml
+++ b/.github/workflows/ci-workflow.yml
@@ -13,6 +13,8 @@ jobs:
     steps:
       - name: Clone
         uses: actions/checkout@v2
+        with:
+          submodules: recursive
 
       - name: Build an altcoin
         run: |