diff --git a/verl/trainer/config/_generated_ppo_megatron_trainer.yaml b/verl/trainer/config/_generated_ppo_megatron_trainer.yaml
index 50188e87a0a..a119507b231 100644
--- a/verl/trainer/config/_generated_ppo_megatron_trainer.yaml
+++ b/verl/trainer/config/_generated_ppo_megatron_trainer.yaml
@@ -218,7 +218,7 @@ actor_rollout_ref:
     pipeline_model_parallel_size: 1
     max_num_batched_tokens: 8192
     max_model_len: null
-    max_num_seqs: 256
+    max_num_seqs: 1024
     enable_chunked_prefill: true
     enable_prefix_caching: true
     logprobs_mode: processed_logprobs
diff --git a/verl/trainer/config/_generated_ppo_trainer.yaml b/verl/trainer/config/_generated_ppo_trainer.yaml
index 945351618d1..d3c1f3d9926 100644
--- a/verl/trainer/config/_generated_ppo_trainer.yaml
+++ b/verl/trainer/config/_generated_ppo_trainer.yaml
@@ -209,7 +209,7 @@ actor_rollout_ref:
     pipeline_model_parallel_size: 1
     max_num_batched_tokens: 8192
     max_model_len: null
-    max_num_seqs: 256
+    max_num_seqs: 1024
     enable_chunked_prefill: true
     enable_prefix_caching: true
     logprobs_mode: processed_logprobs
diff --git a/verl/trainer/config/rollout/rollout.yaml b/verl/trainer/config/rollout/rollout.yaml
index 2a520cf1186..8d4a3371259 100644
--- a/verl/trainer/config/rollout/rollout.yaml
+++ b/verl/trainer/config/rollout/rollout.yaml
@@ -65,7 +65,7 @@ max_num_batched_tokens: 8192
 max_model_len: null
 
 # max length of sequences
-max_num_seqs: 256
+max_num_seqs: 1024
 
 # may get higher throughput when set to True. When activated, Please increase max_num_batched_tokens or decrease max_model_len.
 enable_chunked_prefill: True