diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 3ba0a21..5765127 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,5 +1,8 @@
 image: alpine
 
+variables:
+  GIT_SUBMODULE_STRATEGY: recursive
+
 stages:
   - build
   - test