diff --git a/test/registered/4-gpu-models/test_nvidia_nemotron_3_super_nvfp4.py b/test/registered/4-gpu-models/test_nvidia_nemotron_3_super_nvfp4.py
index cb978bbe6..9855a70a8 100644
--- a/test/registered/4-gpu-models/test_nvidia_nemotron_3_super_nvfp4.py
+++ b/test/registered/4-gpu-models/test_nvidia_nemotron_3_super_nvfp4.py
@@ -11,7 +11,7 @@ from sglang.test.test_utils import (
     popen_launch_server,
 )
 
-register_cuda_ci(est_time=300, suite="stage-c-test-4-gpu-b200")
+register_cuda_ci(est_time=600, suite="stage-c-test-4-gpu-b200")
 
 NEMOTRON_3_SUPER_NVFP4_MODEL = "nvidia/NVIDIA-Nemotron-3-Super-120B-A12B-NVFP4"