diff --git a/src/lib/runWebpack.ts b/src/lib/runWebpack.ts
index a45ff39..253607f 100644
--- a/src/lib/runWebpack.ts
+++ b/src/lib/runWebpack.ts
@@ -139,6 +139,9 @@ export async function runWebpack({
       },
       plugins: [
         virtualModules,
+        new webpack.optimize.LimitChunkCountPlugin({
+          maxChunks: 1,
+        }),
       ]
     },
   )