diff --git a/pyproject.toml b/pyproject.toml
index 3a9a59b33..2792bdb65 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -50,7 +50,7 @@ dependencies = [
     "importlib-resources==6.0.0",
     "importlib-metadata==8.0.0",
     "openai==2.30.0",
-    "mcp==1.23.0",
+    "mcp==1.28.1",
     "sse-starlette==3.0.3",
     "pygments==2.20.0",
     "pip==26.0.1",