diff --git a/tests/e2e/stage_configs/qwen3_omni_ci.yaml b/tests/e2e/stage_configs/qwen3_omni_ci.yaml
index 641fc77ae..45e7fcab8 100644
--- a/tests/e2e/stage_configs/qwen3_omni_ci.yaml
+++ b/tests/e2e/stage_configs/qwen3_omni_ci.yaml
@@ -47,7 +47,7 @@ stage_args:
     model_arch: Qwen3OmniMoeForConditionalGeneration
     worker_type: ar
     scheduler_cls: vllm_omni.core.sched.omni_ar_scheduler.OmniARScheduler
-    gpu_memory_utilization: 0.6
+    gpu_memory_utilization: 0.5
     enforce_eager: false
     trust_remote_code: true
     engine_output_type: latent  # Output codec codes for code2wav