diff --git a/src/common.ts b/src/common.ts
index df6c6914..541dab92 100644
--- a/src/common.ts
+++ b/src/common.ts
@@ -673,7 +673,7 @@ export function getRules(configuration: Configuration): Rules {
   ];
 
   // configuration for nyc to add to package.json
-  const nycConfiguration = {
+  const nycConfiguration: NYCConfiguration = {
     all: true,
     branches: 95,
     'check-coverage': true,
@@ -693,6 +693,9 @@ export function getRules(configuration: Configuration): Rules {
       'html',
       'text-summary',
     ],
+    require: [
+      'ts-node/register',
+    ],
     statements: 95,
   };