diff --git a/aenv/pyproject.toml b/aenv/pyproject.toml
index f919aee..91f958b 100644
--- a/aenv/pyproject.toml
+++ b/aenv/pyproject.toml
@@ -24,15 +24,16 @@ classifiers = [
 ]
 
 dependencies = [
-    "pydantic>=1.10.0",
+    "pydantic>=2.7,<2.12",
+    "pydantic-settings>=2.0",
     "httpx>=0.20.0",
     "anyio>=3.0.0",
     "typing-extensions>=4.0.0",
-    "mcp>=1.0.0",
+    "mcp>=1.0.0,<2",
     "uvicorn>=0.20.0",
     "click>=8.0.0",
     "requests>=2.25.0",
-    "fastmcp>=2.13.0",
+    "fastmcp>=2.13.0,<3",
     "rich>=13.0.0",
     "typer>=0.9.0",
     "tabulate>=0.9.0",