diff --git a/scripts/test-theme.sh b/scripts/test-theme.sh
new file mode 100755
index 00000000..9f94d3c3
--- /dev/null
+++ b/scripts/test-theme.sh
@@ -0,0 +1,5 @@
+#!/bin/zsh
+cp theme.json target/assets/theme-customer.json
+cat target/config.json | jq '.themeManifests += ["assets/theme-customer.json"]' | cat > target/config.temp.json
+rm target/config.json
+mv target/config.temp.json target/config.json