diff --git a/pyproject.toml b/pyproject.toml
index 373d7fe..bcc329d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -47,7 +47,7 @@ redis = [
     "redis>=5.0",
 ]
 mcp = [
-    "mcp>=1.0",
+    "mcp>=1.27.0",
 ]
 http = [
     "aiohttp>=3.9",