diff --git a/packages/client/lib/sentinel/index.spec.ts b/packages/client/lib/sentinel/index.spec.ts
index a9bdc8cc95..ef1702eab1 100644
--- a/packages/client/lib/sentinel/index.spec.ts
+++ b/packages/client/lib/sentinel/index.spec.ts
@@ -23,7 +23,7 @@ describe('RedisSentinel', () => {
           { host: 'localhost', port: 26379 }
         ]
       };
-      
+
       it('should throw error when clientSideCache is enabled with RESP 2', () => {
         assert.throws(
           () => RedisSentinel.create({
@@ -46,7 +46,7 @@ describe('RedisSentinel', () => {
       });
 
       it('should not throw when clientSideCache is enabled with RESP 3', () => {
-        assert.doesNotThrow(() => 
+        assert.doesNotThrow(() =>
           RedisSentinel.create({
             ...options,
             clientSideCache: clientSideCacheConfig,
@@ -54,6 +54,16 @@ describe('RedisSentinel', () => {
           })
         );
       });
+
+      testUtils.testWithClientSentinel('should successfully connect to sentinel', async () => {
+      }, {
+        ...GLOBAL.SENTINEL.OPEN,
+        sentinelOptions: {
+          RESP: 3,
+          clientSideCache: { ttl: 0, maxEntries: 0, evictPolicy: 'LRU'},
+        },
+      })
+
     });
   });
 });
@@ -417,7 +427,7 @@ async function steadyState(frame: SentinelFramework) {
     sentinel.setTracer(tracer);
     await sentinel.connect();
     await nodePromise;
-    
+
     await sentinel.flushAll();
   } finally {
     if (sentinel !== undefined) {
@@ -443,7 +453,7 @@ describe('legacy tests', () => {
       this.timeout(15000);
 
       last = Date.now();
-  
+
       function deltaMeasurer() {
         const delta = Date.now() - last;
         if (delta > longestDelta) {
@@ -508,7 +518,7 @@ describe('legacy tests', () => {
       }
 
       stopMeasuringBlocking = true;
-  
+
       await frame.cleanup();
     })
 
@@ -1032,6 +1042,3 @@ describe('legacy tests', () => {
     })
   });
 });
-
-
-
diff --git a/packages/client/lib/sentinel/index.ts b/packages/client/lib/sentinel/index.ts
index ec570e64bf..b4a794b871 100644
--- a/packages/client/lib/sentinel/index.ts
+++ b/packages/client/lib/sentinel/index.ts
@@ -625,6 +625,7 @@ class RedisSentinelInternal<
   readonly #sentinelClientOptions: RedisClientOptions<typeof RedisSentinelModule, RedisFunctions, RedisScripts, RespVersions, TypeMapping, RedisTcpSocketOptions>;
   readonly #scanInterval: number;
   readonly #passthroughClientErrorEvents: boolean;
+  readonly #RESP?: RespVersions;
 
   #anotherReset = false;
 
@@ -673,6 +674,7 @@ class RedisSentinelInternal<
     
     this.#name = options.name;
 
+    this.#RESP = options.RESP;
     this.#sentinelRootNodes = Array.from(options.sentinelRootNodes);
     this.#maxCommandRediscovers = options.maxCommandRediscovers ?? 16;
     this.#masterPoolSize = options.masterPoolSize ?? 1;
@@ -716,6 +718,9 @@ class RedisSentinelInternal<
 
   #createClient(node: RedisNode, clientOptions: RedisClientOptions, reconnectStrategy?: undefined | false) {
     return RedisClient.create({
+      //first take the globally set RESP
+      RESP: this.#RESP,
+      //then take the client options, which can in theory overwrite it
       ...clientOptions,
       socket: {
         ...clientOptions.socket,
diff --git a/packages/test-utils/lib/index.ts b/packages/test-utils/lib/index.ts
index a41f970e0c..43dd4debfd 100644
--- a/packages/test-utils/lib/index.ts
+++ b/packages/test-utils/lib/index.ts
@@ -337,6 +337,7 @@ export default class TestUtils {
         port: promise.port
       }));
 
+
       const sentinel = createSentinel({
         name: 'mymaster', 
         sentinelRootNodes: rootNodes, 
@@ -352,6 +353,7 @@ export default class TestUtils {
         functions: options?.functions || {},
         masterPoolSize: options?.masterPoolSize || undefined,
         reserveClient: options?.reserveClient || false,
+        ...options?.sentinelOptions
       }) as RedisSentinelType<M, F, S, RESP, TYPE_MAPPING>;
 
       if (options.disableClientSetup) {