diff --git a/packages/multiply/src/index.ts b/packages/multiply/src/index.ts
index 60e8a21..5ccfd2e 100644
--- a/packages/multiply/src/index.ts
+++ b/packages/multiply/src/index.ts
@@ -1,9 +1 @@
-import { sum } from "@myrepo/sum";
-
-export function multiply(a: number, b: number) {
-  let total = 0;
-  for (let count = 0; count < b; count++) {
-    total = sum(total, a);
-  }
-  return total;
-}
+export * from "./multiply.ts";
diff --git a/packages/multiply/src/multiply.ts b/packages/multiply/src/multiply.ts
new file mode 100644
index 0000000..60e8a21
--- /dev/null
+++ b/packages/multiply/src/multiply.ts
@@ -0,0 +1,9 @@
+import { sum } from "@myrepo/sum";
+
+export function multiply(a: number, b: number) {
+  let total = 0;
+  for (let count = 0; count < b; count++) {
+    total = sum(total, a);
+  }
+  return total;
+}
diff --git a/tsconfig.json b/tsconfig.json
index 339907c..093d4b9 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -109,7 +109,9 @@
     "skipLibCheck": true /* Skip type checking all .d.ts files. */,
     "paths": {
       "@myrepo/*": ["./packages/*/src/index.ts"]
-    }
+    },
+    "allowImportingTsExtensions": true,
+    "rewriteRelativeImportExtensions": true
   },
   "exclude": [
     "node_modules",