diff --git a/src/backend/pyproject.toml b/src/backend/pyproject.toml
index d176467f..240e9a4e 100644
--- a/src/backend/pyproject.toml
+++ b/src/backend/pyproject.toml
@@ -31,6 +31,6 @@ dependencies = [
     "uvicorn==0.35.0",
     "pylint-pydantic==0.3.5",
     "pexpect==4.9.0",
-    "mcp==1.13.1",
+    "mcp==1.23.0",
     "agent-framework>=1.0.0b251105",
 ]