diff --git a/requirements.txt b/requirements.txt
index 30349a0..3e2ab8a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,6 +3,6 @@
 # NOT pip-install these -- CI and the build do. Pinned for a reproducible floor
 # and a reproducible binary (a silent lxml bump can break the C-extension build).
 claude-agent-sdk==0.2.97   # dev harness + floor import (NO API call in tests)
-mcp==1.27.2                # the nu stdio MCP server (server.py) + floor [8d]
+mcp==2.1.1                # the nu stdio MCP server (server.py) + floor [8d]
 python-docx==1.2.0         # cover-letter .docx generation (real candidate-suite)
 lxml==6.1.1                # python-docx's C-extension backend; pinned explicitly