diff --git a/examples/configs/offline/colocated/qwen3.5-4b-dflash-offline-amd.yaml b/examples/configs/offline/colocated/qwen3.5-4b-dflash-offline-amd.yaml
index 2d909b424..70bedc43b 100644
--- a/examples/configs/offline/colocated/qwen3.5-4b-dflash-offline-amd.yaml
+++ b/examples/configs/offline/colocated/qwen3.5-4b-dflash-offline-amd.yaml
@@ -9,6 +9,9 @@ model:
   trust_remote_code: true
   embedding_key: "model.language_model.embed_tokens.weight"
   torch_dtype: "bfloat16"
+  # Liger fused RMSNorm/SwiGLU: validated on MI355X (+10% tokens/s, -15% peak
+  # mem, loss parity). Requires the flex-backend fix (torch<2.11) to run.
+  use_liger_kernel: true
 data:
   hidden_states_path: "./cache/hidden_states/qwen3.5-4b-dflash-sharegpt"
   max_length: 2048
diff --git a/examples/configs/online/disaggregated/external/qwen3.5-4b-dflash-online-amd.yaml b/examples/configs/online/disaggregated/external/qwen3.5-4b-dflash-online-amd.yaml
index af3bac849..a37cd4d61 100644
--- a/examples/configs/online/disaggregated/external/qwen3.5-4b-dflash-online-amd.yaml
+++ b/examples/configs/online/disaggregated/external/qwen3.5-4b-dflash-online-amd.yaml
@@ -10,6 +10,9 @@ model:
   trust_remote_code: true
   embedding_key: "model.language_model.embed_tokens.weight"
   torch_dtype: "bfloat16"
+  # Liger fused RMSNorm/SwiGLU: validated on MI355X (+10% tokens/s, -15% peak
+  # mem, loss parity). Requires the flex-backend fix (torch<2.11) to run.
+  use_liger_kernel: true
 data:
   train_data_path: "./cache/dataset/sharegpt_train.jsonl"
   max_length: 2048