diff --git a/vllm/model_executor/models/gpt_oss.py b/vllm/model_executor/models/gpt_oss.py
index 52a170c49d19..b4cd68015909 100644
--- a/vllm/model_executor/models/gpt_oss.py
+++ b/vllm/model_executor/models/gpt_oss.py
@@ -219,12 +219,13 @@ class TransformerBlock(torch.nn.Module):
     def __init__(
         self,
         config: GptOssConfig,
+        cache_config: CacheConfig,
         quant_config: QuantizationConfig,
         prefix: str = "",
     ):
         super().__init__()
         self.layer_idx = extract_layer_index(prefix)
-        self.attn = OAIAttention(config, prefix=f"{prefix}.attn")
+        self.attn = OAIAttention(config, cache_config=cache_config, prefix=f"{prefix}.attn")
         self.mlp = MLPBlock(config,
                             self.layer_idx,
                             quant_config=quant_config,
@@ -248,6 +249,7 @@ def __init__(
     ):
         super().__init__()
         self.config = vllm_config.model_config.hf_config
+        self.cache_config = vllm_config.cache_config
         self.quant_config = vllm_config.quant_config
         self.config.hidden_size = self.config.hidden_size
         self.embedding = VocabParallelEmbedding(
@@ -257,6 +259,7 @@ def __init__(
         self.layers = torch.nn.ModuleList([
             TransformerBlock(
                 self.config,
+                cache_config=self.cache_config,
                 quant_config=self.quant_config,
                 prefix=maybe_prefix(prefix, f"block.{layer_idx}"),
             ) for layer_idx in range(self.config.num_hidden_layers)