diff --git a/.drone.yml b/.drone.yml
index cfa57c3c..75980b3d 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -6,6 +6,8 @@ name: default
 steps:
 - name: backend
   commands:
+  - git submodule init
+  - git submodule update --recursive --remote
   - mkdir build
   - cd build
   - cmake ..