diff --git a/Index.ts b/Index.ts
new file mode 100644
index 0000000..944e780
--- /dev/null
+++ b/Index.ts
@@ -0,0 +1,3 @@
+export * from './src/Decorator';
+export * from './src/Injector';
+export * from './src/Types';
diff --git a/index.ts b/index.ts
deleted file mode 100644
index e69de29..0000000
diff --git a/package.json b/package.json
index c6a7e90..640a277 100644
--- a/package.json
+++ b/package.json
@@ -28,6 +28,7 @@
     "reflect-metadata": "^0.1.13"
   },
   "devDependencies": {
+    "typescript": "^4.7.2",
     "@types/node": "^11.13.19",
     "@types/chai": "^4.2.21",
     "@types/expect": "^1.20.4",
diff --git a/src/Decorator.ts b/src/Decorator.ts
index a098ea0..8e65a01 100644
--- a/src/Decorator.ts
+++ b/src/Decorator.ts
@@ -15,7 +15,7 @@ export function Singleton(_interface?: Constructor<any>): GenericClassDecorator<
 }
 
 export function Inject(clazz: Constructor<any>) {
-  return function (prototype: Object, key: string) {
-    Injector['injectionQueue'].push({ injectionType: clazz, prototype: prototype, injectIntoKey: key })
+  return function (instance: Object, key: string) {
+    Injector['injectionQueue'].push({ injectionType: clazz, instance: instance, injectIntoKey: key })
   }
 }
\ No newline at end of file
diff --git a/src/Injector.ts b/src/Injector.ts
index 90a3674..7a609d7 100644
--- a/src/Injector.ts
+++ b/src/Injector.ts
@@ -13,7 +13,7 @@ class _Injector {
    * @param {Type<any>} target
    * @returns {T}
    */
-  public resolve<T>(target: Type<T>): T {
+  public resolve<T>(target: Constructor<T>): T {
     if (!this.initialized) {
       this.initialize()
       this.initialized = true
@@ -55,7 +55,7 @@ class _Injector {
       const inj = this.injectionQueue.shift()
 
       if (this.moduleObjs[inj.injectionType.name]) {
-        inj.prototype[inj.injectIntoKey] = this.moduleObjs[inj.injectionType.name]
+        this.moduleObjs[inj.instance.constructor.name][inj.injectIntoKey] = this.moduleObjs[inj.injectionType.name]
       } else {
         throw new Error("Cannot resolve injection token " + inj.injectionType.name)
       }