diff --git a/Makefile b/Makefile
index 8fa30df..394bf51 100644
--- a/Makefile
+++ b/Makefile
@@ -50,9 +50,5 @@ install:
 ## BUILD AUTOMATION
 #########################
 
-build: testc.o compile.o
-testc.o:
-	${NPM} ${NPM_FLAGS} test:coveralls
-
-compile.o:
+build:
 	${NPM} ${NPM_FLAGS} build
\ No newline at end of file
diff --git a/__test__/index.test.ts b/__test__/index.test.ts
index a1ccb88..cd02324 100644
--- a/__test__/index.test.ts
+++ b/__test__/index.test.ts
@@ -17,25 +17,19 @@ describe('Node Disk Storage Group Testing', function () {
 		expect(await nds.set('age', 23)).toBeTruthy()
 	})
 
-	it('Should be nds get is success', () => {
-		setTimeout(async () => {
-			expect(nds.get).toBeDefined()
-			expect(await nds.get('name')).toEqual('john doe')
-		}, 500)
+	it('Should be nds get is success', async (): Promise<void> => {
+		expect(nds.get).toBeDefined()
+		expect(await nds.get('name')).toEqual('john doe')
 	})
 
-	it('Should be nds keys is success', () => {
-		setTimeout(async () => {
-			expect(nds.keys).toBeDefined()
-			expect(await nds.keys()).toBeInstanceOf(Array)
-			expect((await nds.keys()).length).toBe(2)
-		}, 500)
+	it('Should be nds keys is success', async (): Promise<void> => {
+		expect(nds.keys).toBeDefined()
+		expect(await nds.keys()).toBeInstanceOf(Array)
+		expect((await nds.keys()).length).toBe(2)
 	})
 
-	it('Should be nds remove is success', () => {
-		setTimeout(async () => {
-			expect(nds.remove).toBeDefined()
-			expect(await nds.remove('name')).toBeTruthy()
-		}, 500)
+	it('Should be nds remove is success', async (): Promise<void> => {
+		expect(nds.remove).toBeDefined()
+		expect(await nds.remove('name')).toBeTruthy()
 	})
 })
diff --git a/package-lock.json b/package-lock.json
index 1ea57f6..7a4ccd1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,17 +1,17 @@
 {
 	"name": "node-disk-storage",
-	"version": "0.0.3",
+	"version": "0.0.4",
 	"lockfileVersion": 2,
 	"requires": true,
 	"packages": {
 		"": {
 			"name": "node-disk-storage",
-			"version": "0.0.3",
+			"version": "0.0.4",
 			"license": "MIT",
 			"dependencies": {
 				"human-size": "^1.1.0",
 				"is-any-type": "^0.0.4",
-				"nds-core": "^2.0.1"
+				"nds-core": "^2.0.2"
 			},
 			"devDependencies": {
 				"@types/jest": "^27.5.2",
@@ -6143,9 +6143,9 @@
 			"dev": true
 		},
 		"node_modules/nds-core": {
-			"version": "2.0.1",
-			"resolved": "https://registry.npmjs.org/nds-core/-/nds-core-2.0.1.tgz",
-			"integrity": "sha512-Ir3mB6P8H/3/ZRym9uCyXnE7fhTCYa2Br67o4vDmyROQqgomCohOaNJv7caBqGakmAnsyKt/kX1p9bH8KiT+/A==",
+			"version": "2.0.2",
+			"resolved": "https://registry.npmjs.org/nds-core/-/nds-core-2.0.2.tgz",
+			"integrity": "sha512-BiZ8zluK6H/Lr4+feKs8yApm2JDnwcCIYGYbRgclxN+UHROfeMBxWoevcUYVIlpVuZIniubO1aw74BVI8PjcNw==",
 			"dependencies": {
 				"is-any-type": "0.0.4",
 				"js-base64": "^3.7.2",
@@ -13877,9 +13877,9 @@
 			"dev": true
 		},
 		"nds-core": {
-			"version": "2.0.1",
-			"resolved": "https://registry.npmjs.org/nds-core/-/nds-core-2.0.1.tgz",
-			"integrity": "sha512-Ir3mB6P8H/3/ZRym9uCyXnE7fhTCYa2Br67o4vDmyROQqgomCohOaNJv7caBqGakmAnsyKt/kX1p9bH8KiT+/A==",
+			"version": "2.0.2",
+			"resolved": "https://registry.npmjs.org/nds-core/-/nds-core-2.0.2.tgz",
+			"integrity": "sha512-BiZ8zluK6H/Lr4+feKs8yApm2JDnwcCIYGYbRgclxN+UHROfeMBxWoevcUYVIlpVuZIniubO1aw74BVI8PjcNw==",
 			"requires": {
 				"is-any-type": "0.0.4",
 				"js-base64": "^3.7.2",
diff --git a/package.json b/package.json
index df2a64e..4c26d08 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "node-disk-storage",
-	"version": "0.0.4",
+	"version": "0.0.5",
 	"description": "fast and secure local storage persistent data for node js",
 	"main": "./dist/index.js",
 	"files": [
@@ -62,7 +62,7 @@
 	"dependencies": {
 		"human-size": "^1.1.0",
 		"is-any-type": "^0.0.4",
-		"nds-core": "^2.0.1"
+		"nds-core": "^2.0.2"
 	},
 	"devDependencies": {
 		"@types/jest": "^27.5.2",