diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 14568c33..c3f57264 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,5 +1,6 @@
 variables:
   JEKYLL_ENV: production
+  GIT_SUBMODULE_STRATEGY: recursive
 
 stages:
   - build