diff --git a/pyproject.toml b/pyproject.toml
index 420c60d..02da167 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,7 +19,11 @@ dependencies = [
     "caldav>=1.3",
     "icalendar>=5.0",
     "APScheduler>=3.10,<4.0",
-    "mcp[cli]>=1.0",
+    # Capped below 2.0: that release removed `mcp.server.fastmcp`, which
+    # src/scribe/mcp/server.py imports to build the whole tool surface. The
+    # ceiling is a real incompatibility, not caution — lift it in the same
+    # change that ports server.py to the 2.x API.
+    "mcp[cli]>=1.0,<2",
     "fastembed>=0.4",
     "pgvector>=0.3",
 ]