diff --git a/packages/json/lib/commands/MERGE.spec.ts b/packages/json/lib/commands/MERGE.spec.ts
new file mode 100644
index 0000000000..fbb84aaaeb
--- /dev/null
+++ b/packages/json/lib/commands/MERGE.spec.ts
@@ -0,0 +1,19 @@
+import { strict as assert } from 'assert';
+import testUtils, { GLOBAL } from '../test-utils';
+import MERGE from './MERGE';
+
+describe('MERGE', () => {
+  it('transformArguments', () => {
+    assert.deepEqual(
+      MERGE.transformArguments('key', '$', 'value'),
+      ['JSON.MERGE', 'key', '$', 'value']
+    );
+  });
+
+  testUtils.testWithClient('client.json.merge', async client => {
+    assert.equal(
+      await client.json.merge('key', '$', 'value'),
+      'OK'
+    );
+  }, GLOBAL.SERVERS.OPEN);
+});
diff --git a/packages/json/lib/commands/MERGE.ts b/packages/json/lib/commands/MERGE.ts
new file mode 100644
index 0000000000..90cd080a06
--- /dev/null
+++ b/packages/json/lib/commands/MERGE.ts
@@ -0,0 +1,16 @@
+import { SimpleStringReply, Command, RedisArgument } from '@redis/client/dist/lib/RESP/types';
+import { RedisJSON, transformRedisJsonArgument } from '.';
+
+export default {
+  FIRST_KEY_INDEX: 1,
+  IS_READ_ONLY: false,
+  transformArguments(key: RedisArgument, path: RedisArgument, value: RedisJSON) {
+    return [
+      'JSON.MERGE',
+      key,
+      path,
+      transformRedisJsonArgument(value)
+    ];
+  },
+  transformReply: undefined as unknown as () => SimpleStringReply<'OK'>
+} as const satisfies Command;
diff --git a/packages/json/lib/commands/index.ts b/packages/json/lib/commands/index.ts
index 7fad5d1769..5404da74f7 100644
--- a/packages/json/lib/commands/index.ts
+++ b/packages/json/lib/commands/index.ts
@@ -9,6 +9,7 @@ import DEBUG_MEMORY from './DEBUG_MEMORY';
 import DEL from './DEL';
 import FORGET from './FORGET';
 // import GET from './GET';
+import MERGE from './MERGE';
 // import MGET from './MGET';
 import MSET from './MSET';
 import NUMINCRBY from './NUMINCRBY';
@@ -45,6 +46,8 @@ export default {
   forget: FORGET,
   // GET,
   // get: GET,
+  MERGE,
+  merge: MERGE,
   // MGET,
   // mGet: MGET,
   MSET,