diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 581bf208f..b8e9d6a8e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -174,6 +174,7 @@ jobs:
         uses: actions/checkout@v2
         with:
           repository: "hstreamdb/integration-tests"
+          submodules: "recursive"
           path: integration-tests
 
       - uses: actions/setup-java@v2