diff --git a/pyproject.toml b/pyproject.toml
index 383731d..397fbde 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -37,10 +37,10 @@ dependencies = [
 dev = [
     "pytest>=7.0",
     "pytest-cov>=4.0",
-    "mcp>=1.30,<2",
+    "mcp>=1.30,<3",
     "ruff>=0.4.0",
 ]
-mcp = ["mcp>=1.30,<2"]
+mcp = ["mcp>=1.30,<3"]
 
 [project.scripts]
 schemaforge = "schemaforge.cli:main"