diff --git a/package.json b/package.json
index 5c8e023..3574545 100644
--- a/package.json
+++ b/package.json
@@ -54,8 +54,8 @@
     "pino": "^9.0.0",
     "pino-pretty": "^11.0.0",
     "swagger-ui-express": "^5.0.0",
-    "switcher-client": "^4.0.3",
-    "validator": "^13.11.0"
+    "switcher-client": "^4.1.0",
+    "validator": "^13.12.0"
   },
   "devDependencies": {
     "env-cmd": "^10.1.0",
@@ -64,7 +64,7 @@
     "jest-sonar-reporter": "^2.0.0",
     "node-notifier": "^10.0.1",
     "nodemon": "^3.1.0",
-    "sinon": "^17.0.1",
+    "sinon": "^17.0.2",
     "supertest": "^7.0.0"
   },
   "repository": {
diff --git a/src/external/switcher-api-facade.js b/src/external/switcher-api-facade.js
index 40718d6..2f74f18 100644
--- a/src/external/switcher-api-facade.js
+++ b/src/external/switcher-api-facade.js
@@ -1,4 +1,4 @@
-import { Switcher, checkValue, checkRegex } from 'switcher-client';
+import { Client } from 'switcher-client';
 import { getDomainById } from '../services/domain.js';
 import { DEFAULT_RATE_LIMIT } from '../middleware/limiter.js';
 
@@ -11,32 +11,32 @@ const throttle = process.env.SWITCHER_API_THROTTLE;
 const certPath = process.env.SSL_CERT;
 const component = 'switcherapi';
 
-Switcher.buildContext({ url, apiKey, domain: domainName, component, environment }, { logger, certPath });
+Client.buildContext({ url, apiKey, domain: domainName, component, environment }, { logger, certPath });
 
 export const SwitcherKeys = Object.freeze({
     RATE_LIMIT: 'RATE_LIMIT',
     HTTPS_AGENT: 'HTTPS_AGENT'
 });
 
-async function checkFeature(feature, params) {
-    const switcher = Switcher.factory();
+function getFeatureFlag(feature) {
+    const switcher = Client.getSwitcher(feature);
 
     if (throttle) {
         switcher.throttle(throttle);
     }
 
-    return switcher.detail().isItOn(feature, params);
+    return switcher.detail();
 }
 
 export async function getRateLimit(key, component) {
     if (process.env.SWITCHER_API_ENABLE === 'true' && key !== process.env.SWITCHER_API_KEY) {
         const domain = await getDomainById(component.domain);
-        const response = await checkFeature(SwitcherKeys.RATE_LIMIT, [
-            checkValue(String(domain.owner))
-        ]);
+        const featureFlag = await getFeatureFlag(SwitcherKeys.RATE_LIMIT)
+            .checkValue(String(domain.owner))
+            .isItOn();
 
-        if (response.result) {
-            return response.metadata.rate_limit;
+        if (featureFlag.result) {
+            return featureFlag.metadata.rate_limit;
         }
     }
 
@@ -47,5 +47,7 @@ export async function checkHttpsAgent(value) {
     if (process.env.SWITCHER_API_ENABLE != 'true')
         return;
 
-    return checkFeature(SwitcherKeys.HTTPS_AGENT, [checkRegex(value)]);
+    return getFeatureFlag(SwitcherKeys.HTTPS_AGENT)
+        .checkRegex(value)
+        .isItOn();
 }
\ No newline at end of file
diff --git a/tests/unit-test/client/relay.test.js b/tests/unit-test/client/relay.test.js
index 69d122a..961c729 100644
--- a/tests/unit-test/client/relay.test.js
+++ b/tests/unit-test/client/relay.test.js
@@ -4,7 +4,7 @@ import axios from 'axios';
 import { RelayMethods } from '../../../src/models/config';
 import { StrategiesType } from '../../../src/models/config-strategy';
 import { EnvType } from '../../../src/models/environment';
-import { Switcher } from 'switcher-client';
+import { Client } from 'switcher-client';
 
 describe('Testing Client Relay', () => {
 
@@ -21,7 +21,7 @@ describe('Testing Client Relay', () => {
         // Given
         const mockRelayService = { data: { result: true, reason: 'Success' } };
         axiosStub.returns(Promise.resolve(mockRelayService));
-        Switcher.assume('HTTPS_AGENT').true();
+        Client.assume('HTTPS_AGENT').true();
 
         const relay = {
             endpoint: {
diff --git a/tests/unit-test/switcher-api-facade.test.js b/tests/unit-test/switcher-api-facade.test.js
index 1a1b9c8..837c481 100644
--- a/tests/unit-test/switcher-api-facade.test.js
+++ b/tests/unit-test/switcher-api-facade.test.js
@@ -8,7 +8,7 @@ import {
     component1,
     component1Key
 } from '../fixtures/db_api';
-import { Switcher } from 'switcher-client';
+import { Client } from 'switcher-client';
 
 import '../../src/db/mongoose';
 
@@ -27,7 +27,7 @@ describe('Testing Switcher API Facade', () => {
 
     test('UNIT_API_FACADE - Should read rate limit - 100 Request Per Minute', async () => {
         const call = async () => {
-            Switcher.assume(SwitcherKeys.RATE_LIMIT).true().withMetadata({ rate_limit: 100 });
+            Client.assume(SwitcherKeys.RATE_LIMIT).true().withMetadata({ rate_limit: 100 });
             return getRateLimit(component1Key, component1);
         }; 
 
@@ -36,7 +36,7 @@ describe('Testing Switcher API Facade', () => {
 
     test('UNIT_API_FACADE - Should NOT read rate limit - Default Request Per Minute', async () => {
         const call = async () => {
-            Switcher.assume(SwitcherKeys.RATE_LIMIT).false();
+            Client.assume(SwitcherKeys.RATE_LIMIT).false();
             return getRateLimit(component1Key, component1);
         };