diff --git a/tsconfig.build.json b/tsconfig.build.json
index a57d191..e40fc32 100644
--- a/tsconfig.build.json
+++ b/tsconfig.build.json
@@ -8,6 +8,7 @@
     "module": "CommonJS",
     "target": "ES2020",
     "moduleResolution": "Node",
+    "allowImportingTsExtensions": false,
     "lib": ["ES2020"],
     "types": ["node"]
   },