diff --git a/11-single-price-grid-component/build.sbt b/11-single-price-grid-component/build.sbt
index 3dda577..4495481 100644
--- a/11-single-price-grid-component/build.sbt
+++ b/11-single-price-grid-component/build.sbt
@@ -7,6 +7,9 @@ ThisBuild / organization := "industries.sunshine"
 lazy val root = (project in file("."))
   .settings(
     name := "priceGrid",
+
+    assembly / mainClass := Some("pricegrid.App"),
+
     libraryDependencies ++= Seq(
       "com.lihaoyi" %% "cask" % "0.9.1",
       "com.lihaoyi" %% "scalatags" % "0.12.0",
diff --git a/11-single-price-grid-component/project/plugins.sbt b/11-single-price-grid-component/project/plugins.sbt
new file mode 100644
index 0000000..f55a62c
--- /dev/null
+++ b/11-single-price-grid-component/project/plugins.sbt
@@ -0,0 +1 @@
+addSbtPlugin("com.eed3si9n" % "sbt-assembly" % "2.1.1")