diff --git a/pyproject.toml b/pyproject.toml
index d772657..0ab1430 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,7 +29,7 @@ dependencies = [
     # `@server.call_tool()` decorator API this server uses, which made an
     # unbounded `mcp` uninstallable on fresh envs. Lift each cap deliberately
     # (and re-test) when adopting the next major.
-    "mcp>=1.0.0,<2",
+    "mcp>=1.0.0,<3",
     "starlette>=0.27.0,<2",
     "uvicorn>=0.24.0,<1",
     "anyio>=4.0,<5",
diff --git a/requirements.txt b/requirements.txt
index f33727d..5161506 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-mcp>=1.0.0,<2
+mcp>=1.0.0,<3
 starlette>=0.27.0,<2
 uvicorn>=0.24.0,<1
 anyio>=4.0,<5