diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 5f3b295..de5a454 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,3 +1,6 @@
+variables:
+  GIT_SUBMODULE_STRATEGY: recursive
+
 stages:
   - site
   - image