diff --git a/lib/spl-build.js b/lib/spl-build.js
index 5181393..3406395 100644
--- a/lib/spl-build.js
+++ b/lib/spl-build.js
@@ -70,7 +70,7 @@ export default {
     buildApiVersion: {
       title: 'Build and submit system',
       type: 'string',
-      default: CONF_API_VERSION_V5,
+      default: CONF_API_VERSION_V4,
       order: 0,
       description: 'Building for Streams on IBM Cloud Private for Data or Streaming analytics on public IBM Cloud',
       enum: [