diff --git a/prepare.sh b/prepare.sh
index 3ba534d..9cd1cab 100755
--- a/prepare.sh
+++ b/prepare.sh
@@ -24,4 +24,10 @@ cd ..
 cd frontend/webcomponent
 npm install
 npm run build
-cd ../..
\ No newline at end of file
+cd ../..
+
+# Build testapp
+cd testapp
+npm install
+npm run build
+cd ..
\ No newline at end of file