diff --git a/package-lock.json b/package-lock.json
index f8cf545..25e0b03 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@apihub24/password-hasher",
-  "version": "1.0.4",
+  "version": "1.0.5",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@apihub24/password-hasher",
-      "version": "1.0.4",
+      "version": "1.0.5",
       "license": "MIT",
       "dependencies": {
         "@apihub24/token-authentication": "^1.0.0",
diff --git a/package.json b/package.json
index be9aa61..db30959 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@apihub24/password-hasher",
-  "version": "1.0.4",
+  "version": "1.0.5",
   "description": "",
   "main": "dist/index.js",
   "types": "./dist/index.d.ts",
diff --git a/src/password.hash.service.spec.ts b/src/password.hash.service.spec.ts
index beb537d..042e276 100644
--- a/src/password.hash.service.spec.ts
+++ b/src/password.hash.service.spec.ts
@@ -1,6 +1,6 @@
 import { ConfigModule } from "@nestjs/config";
 import { Test, TestingModule } from "@nestjs/testing";
-import { PasswordHashService } from "./password.hash.service";
+import { PasswordHashService } from "./";
 
 describe("Password Service Tests", () => {
   let module: TestingModule | null = null;
diff --git a/src/password.hasher.module.spec.ts b/src/password.hasher.module.spec.ts
index 37ddace..d4de461 100644
--- a/src/password.hasher.module.spec.ts
+++ b/src/password.hasher.module.spec.ts
@@ -1,5 +1,8 @@
 import { Test, TestingModule } from "@nestjs/testing";
-import { PasswordHasherModule } from "./password.hasher.module";
+import {
+  APIHUB24_PASSWORD_SERVICE_INJECTION_KEY,
+  PasswordHasherModule,
+} from "./";
 
 describe("PasswordHasherModule Tests", () => {
   let module: TestingModule | null = null;
@@ -10,6 +13,10 @@ describe("PasswordHasherModule Tests", () => {
     }).compile();
   });
 
+  it("should export injection Key", () => {
+    expect(APIHUB24_PASSWORD_SERVICE_INJECTION_KEY).toBeDefined();
+  });
+
   it("should get PasswordHasherService by injection Key @apihub24/password_service", () => {
     expect(module).toBeDefined();
     const service = module?.get("@apihub24/password_service");
diff --git a/src/password.hasher.module.ts b/src/password.hasher.module.ts
index 787f6d0..c494949 100644
--- a/src/password.hasher.module.ts
+++ b/src/password.hasher.module.ts
@@ -1,13 +1,16 @@
-import { DynamicModule, Module } from '@nestjs/common';
-import { PasswordHashService } from './password.hash.service';
-import { ConfigModule } from '@nestjs/config';
+import { DynamicModule, Module } from "@nestjs/common";
+import { PasswordHashService } from "./password.hash.service";
+import { ConfigModule } from "@nestjs/config";
+
+export const APIHUB24_PASSWORD_SERVICE_INJECTION_KEY =
+  "@apihub24/password_service";
 
 @Module({})
 export class PasswordHasherModule {
   static forRoot(): DynamicModule {
     const providers = [
       {
-        provide: '@apihub24/password_service',
+        provide: APIHUB24_PASSWORD_SERVICE_INJECTION_KEY,
         useClass: PasswordHashService,
       },
     ];