diff --git a/python/pyproject.toml b/python/pyproject.toml
index f6ccffcfe..d4d8afbc8 100644
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -50,7 +50,7 @@ runtime_common = [
     "timm==1.0.16",
     "tiktoken",
     "torchao==0.9.0",
-    "transformers==4.55.2",
+    "transformers==4.56.0",
     "uvicorn",
     "uvloop",
     "xgrammar==0.1.23",