diff --git a/index.d.ts b/index.d.ts
index 2487aab..8a24823 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -77,4 +77,4 @@
 // declare const Sift: Sift;
 // export default Sift;
 
-export * from "./core";
+export * from "./lib/core";
diff --git a/tsconfig.json b/tsconfig.json
index 7e68753..142bcb2 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -4,6 +4,7 @@
     "target": "es5",
     "moduleResolution": "node",
     "module": "commonjs",
+    "declaration": true,
     "allowSyntheticDefaultImports": true
   },
   "exclude": ["node_modules", "*-test", "lib", "index.d.ts", "test"],