diff --git a/dmoj/cli.py b/dmoj/cli.py
index f4728e327..59dfff95f 100644
--- a/dmoj/cli.py
+++ b/dmoj/cli.py
@@ -19,6 +19,9 @@ def supported_problems_packet(self, problems):
     def test_case_status_packet(self, position, result):
         pass
 
+    def multi_test_case_status_packet(self, updates):
+        pass
+
     def compile_error_packet(self, log):
         pass
 
diff --git a/dmoj/packet.py b/dmoj/packet.py
index a24806856..c6453b994 100644
--- a/dmoj/packet.py
+++ b/dmoj/packet.py
@@ -247,15 +247,22 @@ def test_case_status_packet(self, position: int, result):
                  result.points, result.total_points)
         self._send_packet({'name': 'test-case-status',
                            'submission-id': self.judge.current_submission_id,
-                           'position': position,
-                           'status': result.result_flag,
-                           'time': result.execution_time,
-                           'points': result.points,
-                           'total-points': result.total_points,
-                           'memory': result.max_memory,
-                           'output': result.output,
-                           'extended-feedback': result.extended_feedback,
-                           'feedback': result.feedback})
+                           'cases': [
+                               {
+                                   'position': position,
+                                   'status': result.result_flag,
+                                   'time': result.execution_time,
+                                   'points': result.points,
+                                   'total-points': result.total_points,
+                                   'memory': result.max_memory,
+                                   'output': result.output,
+                                   'extended-feedback': result.extended_feedback,
+                                   'feedback': result.feedback,
+                               } for position, result in updates
+                           ]})
+
+    def test_case_status_packet(self, position, result):
+        self.multi_test_case_status_packet([(position, result)])
 
     def compile_error_packet(self, message: str):
         log.info('Compile error: %d', self.judge.current_submission_id)
diff --git a/dmoj/testsuite.py b/dmoj/testsuite.py
index f964a784c..3fa8a6f7b 100644
--- a/dmoj/testsuite.py
+++ b/dmoj/testsuite.py
@@ -51,6 +51,10 @@ def test_case_status_packet(self, position, result):
             self.fail('Unexpected feedback: "%s", expected: "%s"' %
                       (result.feedback, '", "'.join(feedback)))
 
+    def multi_test_case_status_packet(self, updates):
+        for position, result in updates:
+            self.test_case_status_packet(position, result)
+
     def compile_error_packet(self, log):
         if 'CE' not in self.codes_all:
             self.fail('Unexpected compile error')