diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 57e0280476894162f7a44f040bf810d6060d4e62..d024f1ad847b051b66d502392b7a1fe7cf9c5531 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -12,6 +12,7 @@ test:
   - bundle install --path vendor
   - bower --allow-root install
   - bundle exec middleman build
+  - du -hs build
   except:
     - master
 
@@ -23,6 +24,7 @@ pages:
   - bundle install --path vendor
   - bower --allow-root install
   - bundle exec middleman build
+  - du -hs build
   artifacts:
     paths:
     - build