diff --git a/requirements.txt b/requirements.txt
index ef5b4d8ec6..66ed714045 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -49,3 +49,4 @@ py-cpuinfo
 flashinfer-python-paddle
 flash_mask @ https://paddle-qa.bj.bcebos.com/ernie/flash_mask-4.0.post20260128-py3-none-any.whl
 arctic_inference @ https://paddle-qa.bj.bcebos.com/ernie/arctic_inference-0.1.3-cp310-cp310-linux_x86_64.whl
+transformers>=4.55.1,<5.0.0
diff --git a/requirements_dcu.txt b/requirements_dcu.txt
index a3ffba4718..c34fa1657c 100644
--- a/requirements_dcu.txt
+++ b/requirements_dcu.txt
@@ -39,3 +39,4 @@ opentelemetry-instrumentation-fastapi
 opentelemetry-instrumentation-logging>=0.57b0
 partial_json_parser
 py-cpuinfo
+transformers>=4.55.1,<5.0.0
diff --git a/requirements_iluvatar.txt b/requirements_iluvatar.txt
index 6f9fe34eba..6958d5743e 100644
--- a/requirements_iluvatar.txt
+++ b/requirements_iluvatar.txt
@@ -42,3 +42,4 @@ partial_json_parser
 msgspec
 safetensors>=0.7.0
 py-cpuinfo
+transformers>=4.55.1,<5.0.0
diff --git a/requirements_metaxgpu.txt b/requirements_metaxgpu.txt
index ede76c9a92..c1e0ef140b 100644
--- a/requirements_metaxgpu.txt
+++ b/requirements_metaxgpu.txt
@@ -46,3 +46,4 @@ einops
 setproctitle
 aistudio_sdk
 py-cpuinfo
+transformers>=4.55.1,<5.0.0