diff --git a/python/pyproject.toml b/python/pyproject.toml
index 58e6ad2a8..4e619d3e3 100644
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -31,7 +31,7 @@ runtime_common = [
     "msgspec",
     "ninja",
     "openai==1.99.1",
-    "openai-harmony==0.0.3",
+    "openai-harmony==0.0.4",
     "orjson",
     "outlines==0.1.11",
     "packaging",
@@ -53,7 +53,7 @@ runtime_common = [
     "transformers==4.55.2",
     "uvicorn",
     "uvloop",
-    "xgrammar==0.1.22",
+    "xgrammar==0.1.23",
 ]
 
 srt = [