diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 3c0be14..e25b069 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -19,6 +19,7 @@ build:
   stage: build
   script:
     - npmci build docker
+    - docker build .
   only:
     - master
   tags: