diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index f65b84b27e3394b9ccaaac90fc3303c2706b214b..896e5e723bc1902a649f2c9e8a60b898b6409db1 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,6 +1,9 @@
 stages:
   - build
 
+variables:
+  GIT_SUBMODULE_STRATEGY: recursive
+
 build-p1:
   stage: build
   tags: