diff --git a/CHANGELOG.md b/CHANGELOG.md
index 46e60fb4..ba4a6e55 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -19,6 +19,7 @@
 - Fixed handling of gap slots in `SlotMap::offsetUnset()` (#1660)
 - Fixed ZRANGE to include 6.2 arguments (#1662)
 - Fixed Sentinel retry to narrow retryable exceptions to CommunicationException (#1665)
+- Fixed SENTINEL SLAVES RESP3 incompatible response (#1676)
 
 ## v3.4.2 (2026-03-09)
 ### Changed
diff --git a/src/Connection/Replication/SentinelReplication.php b/src/Connection/Replication/SentinelReplication.php
index daf5a168..4a5099f8 100644
--- a/src/Connection/Replication/SentinelReplication.php
+++ b/src/Connection/Replication/SentinelReplication.php
@@ -16,6 +16,7 @@ use InvalidArgumentException;
 use Predis\Command\Command;
 use Predis\Command\CommandInterface;
 use Predis\Command\RawCommand;
+use Predis\Command\Redis\Utils\CommandUtility;
 use Predis\CommunicationException;
 use Predis\Connection\AbstractAggregateConnection;
 use Predis\Connection\ConnectionException;
@@ -430,20 +431,24 @@ class SentinelReplication extends AbstractAggregateConnection implements Replica
         }
 
         foreach ($payload as $slave) {
-            $flags = explode(',', $slave[9]);
+            if ($slave !== [] && !is_string(key($slave))) {
+                $slave = CommandUtility::arrayToDictionary($slave, null, false);
+            }
+
+            $flags = explode(',', $slave['flags']);
 
             if (array_intersect($flags, ['s_down', 'o_down', 'disconnected'])) {
                 continue;
             }
 
             // ensure `master-link-status` is ok
-            if (isset($slave[31]) && $slave[31] === 'err') {
+            if (isset($slave['master-link-status']) && $slave['master-link-status'] === 'err') {
                 continue;
             }
 
             $slaves[] = [
-                'host' => $slave[3],
-                'port' => $slave[5],
+                'host' => $slave['ip'],
+                'port' => $slave['port'],
                 'role' => 'slave',
             ];
         }
diff --git a/tests/Predis/ClientTest.php b/tests/Predis/ClientTest.php
index 625c2a44..859b92fc 100644
--- a/tests/Predis/ClientTest.php
+++ b/tests/Predis/ClientTest.php
@@ -1718,6 +1718,35 @@ class ClientTest extends PredisTestCase
         $this->assertTrue($master->isConnected());
     }
 
+    /**
+     * @group connected
+     * @group sentinel
+     * @group relay-incompatible
+     * @requiresRedisVersion >= 7.0.0
+     */
+    public function testSentinelReplicationConnectionWithResp3(): void
+    {
+        $client = $this->createClient(['protocol' => 3]);
+        $connection = $client->getConnection();
+
+        $this->assertInstanceOf(SentinelReplication::class, $connection);
+
+        // SENTINEL slaves returns a map under RESP3 - calling getSlaves()
+        // exercises the parsing path that previously read fields by
+        // positional index. We do not assert on cardinality because the
+        // CI topology may not include replicas; we only require that the
+        // call completes without protocol-incompatibility errors.
+        $slaves = $connection->getSlaves();
+        $this->assertIsArray($slaves);
+
+        foreach ($slaves as $slave) {
+            $this->assertInstanceOf('Predis\Connection\NodeConnectionInterface', $slave);
+        }
+
+        $client->set('sentinel_resp3_test_key', 'sentinel_resp3_test_value');
+        $this->assertEquals('sentinel_resp3_test_value', $client->get('sentinel_resp3_test_key'));
+    }
+
     // ******************************************************************** //
     // ---- HELPER METHODS ------------------------------------------------ //
     // ******************************************************************** //
diff --git a/tests/Predis/Connection/Replication/SentinelReplicationTest.php b/tests/Predis/Connection/Replication/SentinelReplicationTest.php
index 3b08e362..9aed6358 100644
--- a/tests/Predis/Connection/Replication/SentinelReplicationTest.php
+++ b/tests/Predis/Connection/Replication/SentinelReplicationTest.php
@@ -593,6 +593,61 @@ class SentinelReplicationTest extends PredisTestCase
         $this->assertSame('127.0.0.1:6383', (string) $slaves[1]);
     }
 
+    /**
+     * @group disconnected
+     */
+    public function testMethodGetSlavesParsesResp3MapResponse(): void
+    {
+        $sentinel1 = $this->getMockSentinelConnection('tcp://127.0.0.1:5381?role=sentinel');
+        $sentinel1
+            ->expects($this->once())
+            ->method('executeCommand')
+            ->withConsecutive(
+                [$this->isRedisCommand('SENTINEL', ['slaves', 'svc'])]
+            )
+            ->willReturnOnConsecutiveCalls(
+                [
+                    [
+                        'name' => '127.0.0.1:6382',
+                        'ip' => '127.0.0.1',
+                        'port' => '6382',
+                        'runid' => '112cdebd22924a7d962be496f3a1c4c7c9bad93f',
+                        'flags' => 'slave',
+                        'master-host' => '127.0.0.1',
+                        'master-port' => '6381',
+                        'master-link-status' => 'ok',
+                    ],
+                    [
+                        'name' => '127.0.0.1:6383',
+                        'ip' => '127.0.0.1',
+                        'port' => '6383',
+                        'runid' => '1c0bf1291797fbc5608c07a17da394147dc62817',
+                        'flags' => 's_down,slave',
+                        'master-host' => '127.0.0.1',
+                        'master-port' => '6381',
+                        'master-link-status' => 'ok',
+                    ],
+                    [
+                        'name' => '127.0.0.1:6384',
+                        'ip' => '127.0.0.1',
+                        'port' => '6384',
+                        'runid' => '8c0bf1291797fbc5608c07a17da394147dc62818',
+                        'flags' => 'slave',
+                        'master-host' => '127.0.0.1',
+                        'master-port' => '6381',
+                        'master-link-status' => 'err',
+                    ],
+                ]
+            );
+
+        $replication = $this->getReplicationConnection('svc', [$sentinel1]);
+
+        $slaves = $replication->getSlaves();
+
+        $this->assertCount(1, $slaves);
+        $this->assertSame('127.0.0.1:6382', (string) $slaves[0]);
+    }
+
     /**
      * @group disconnected
      */