diff --git a/python/pyproject.toml b/python/pyproject.toml
index c4f24303e..6504d4320 100644
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -38,7 +38,7 @@ runtime_common = [
     "pyzmq>=25.1.2",
     "soundfile==0.13.1",
     "torchao>=0.7.0",
-    "transformers==4.50.0",
+    "transformers==4.51.0",
     "uvicorn",
     "uvloop",
     "compressed-tensors",
diff --git a/scripts/ci_install_dependency.sh b/scripts/ci_install_dependency.sh
index 8934c82fe..ec646b804 100755
--- a/scripts/ci_install_dependency.sh
+++ b/scripts/ci_install_dependency.sh
@@ -27,7 +27,7 @@ pip install -e "python[all]" --find-links ${FLASHINFER_REPO}
 
 # Install additional dependencies
 pip install torch_memory_saver
-pip install transformers==4.50.0 sentence_transformers accelerate==1.4.0 peft pandas datasets timm torchaudio
+pip install transformers==4.51.0 sentence_transformers accelerate==1.4.0 peft pandas datasets timm torchaudio
 
 # For compling xgrammar kernels
 pip install cuda-python nvidia-cuda-nvrtc-cu12