diff --git a/pyproject.toml b/pyproject.toml
index a176341ebe25..b9c64e76203c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -81,7 +81,7 @@ rich = "^13.5.0"
 pyyaml = "^6.0.2"
 requests = "^2.31.0"
 # Optional dependencies (Simulation Engine)
-ray = { version = "==2.10.0", optional = true, python = ">=3.9,<3.12" }
+ray = { version = "==2.31.0", optional = true, python = ">=3.9,<3.13" }
 # Optional dependencies (REST transport layer)
 starlette = { version = "^0.45.2", optional = true }
 uvicorn = { version = "^0.34.0", extras = ["standard"], optional = true }