diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 93635a17..33bc5f2b 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -18,6 +18,7 @@ cache:
 build:
   stage: build
   script:
+    - git submodule update --init
     - ./gradlew assemble
   artifacts:
     paths: