diff --git a/.drone.yml b/.drone.yml
index f251c81..56c3aa7 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -8,6 +8,15 @@ clone:
     tags: true
 
 pipeline:
+  build_css:
+    image: webhippie/nodejs
+    pull: true
+    commands:
+      - cd themes/vikunja
+      - npm install gulp-cli -g
+      - npm install
+      - gulp
+
   build:
     image: monachus/hugo
     pull: true