diff --git a/vllm/entrypoints/openai/serving_engine.py b/vllm/entrypoints/openai/serving_engine.py
index bb614cb8f8977..46eb351f52843 100644
--- a/vllm/entrypoints/openai/serving_engine.py
+++ b/vllm/entrypoints/openai/serving_engine.py
@@ -102,7 +102,7 @@ from vllm.pooling_params import PoolingParams
 from vllm.reasoning import ReasoningParser, ReasoningParserManager
 from vllm.sampling_params import BeamSearchParams, SamplingParams
 from vllm.tokenizers import TokenizerLike
-from vllm.tokenizers.deepseekv32 import DeepseekV32Tokenizer
+from vllm.tokenizers.deepseek_v32 import DeepseekV32Tokenizer
 from vllm.tokenizers.mistral import MistralTokenizer
 from vllm.tracing import (
     contains_trace_headers,
diff --git a/vllm/tokenizers/deepseekv32.py b/vllm/tokenizers/deepseek_v32.py
similarity index 100%
rename from vllm/tokenizers/deepseekv32.py
rename to vllm/tokenizers/deepseek_v32.py
diff --git a/vllm/tokenizers/registry.py b/vllm/tokenizers/registry.py
index 1296ce62ae693..72447ef04e87c 100644
--- a/vllm/tokenizers/registry.py
+++ b/vllm/tokenizers/registry.py
@@ -30,7 +30,7 @@ logger = init_logger(__name__)
 
 
 _VLLM_TOKENIZERS = {
-    "deepseekv32": ("deepseekv32", "DeepseekV32Tokenizer"),
+    "deepseek_v32": ("deepseek_v32", "DeepseekV32Tokenizer"),
     "hf": ("hf", "CachedHfTokenizer"),
     "mistral": ("mistral", "MistralTokenizer"),
 }
diff --git a/vllm/v1/structured_output/backend_xgrammar.py b/vllm/v1/structured_output/backend_xgrammar.py
index 678121683434d..9dd506880389a 100644
--- a/vllm/v1/structured_output/backend_xgrammar.py
+++ b/vllm/v1/structured_output/backend_xgrammar.py
@@ -10,7 +10,7 @@ import torch
 import vllm.envs
 from vllm.logger import init_logger
 from vllm.sampling_params import SamplingParams
-from vllm.tokenizers.deepseekv32 import DeepseekV32Tokenizer
+from vllm.tokenizers.deepseek_v32 import DeepseekV32Tokenizer
 from vllm.tokenizers.mistral import MistralTokenizer
 from vllm.utils.import_utils import LazyLoader
 from vllm.v1.structured_output.backend_types import (