diff --git a/requirements.txt b/requirements.txt
index 02efad9b8..1ed61edb2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -41,7 +41,7 @@ bcrypt
 # Built-in servers use the v1 low-level Server decorator API. MCP SDK v2 is a
 # breaking rewrite, so keep fresh installs on the maintained v1 line until the
 # servers are migrated together.
-mcp<3
+mcp<2
 pyotp
 qrcode[pil]
 croniter