diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 8a64dc4..a1eac09 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -16,6 +16,11 @@ job2:
 
 job3:
         stage: build
+        only:
+                refs:
+                        -master
+        variables:
+                GIT_SUBMODULE_STRATEGY: recursive
         before_script:
                 - apt update
                 - apt install -y msp430-libc