diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 896d1bb..9c1aeb7 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -2,6 +2,9 @@ default:
   tags:
     - docker
 
+variables:
+  GIT_SUBMODULE_STRATEGY: recursive
+
 stages:
   - build_toolchain
   - build_sw