diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index d24b5582..c603f9ad 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -16,6 +16,8 @@ variables:
 before_script:
   - RELEASE=$(echo $CI_COMMIT_REF_SLUG | sed "s/^\([[:digit:]][[:digit:]]\)-\([[:digit:]]\)/\1\.\2/g")
   - docker login -u gitlab-ci-token -p $CI_JOB_TOKEN registry.gitlab.com
+  - git submodule sync --recursive
+  - git submodule update --init --recursive
 
 build:
   stage: build