diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 1e2bb25c45a3669bf572ccc112fe55d6f540cccf..088585fb421f63c764b82ac8ab81c2dbc747499f 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,5 +1,7 @@
 before_script:
   - apt-get update
+  - git submodule sync
+  - git submodule update --init
 
 test-3.4:
   image: mmpe/wetb