diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 5765127..092f920 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,7 +1,8 @@
 image: alpine
 
-variables:
-  GIT_SUBMODULE_STRATEGY: recursive
+before_script:
+  - git submodule sync --recursive
+  - git submodule update --init --recursive
 
 stages:
   - build