diff --git a/mta.yaml b/mta.yaml
index 9a0d877..28c814b 100644
--- a/mta.yaml
+++ b/mta.yaml
@@ -141,4 +141,5 @@ build-parameters:
   before-all:
     - builder: custom
       commands:
+        - npm install
         - npx cds build --production