diff --git a/setup.py b/setup.py
index 4afb10d5..cc8190b8 100644
--- a/setup.py
+++ b/setup.py
@@ -8,7 +8,7 @@
     "rich",
     # pydantic.v1.parse_obj is broken in ==2.0.0:
     # https://github.com/pydantic/pydantic/issues/6361
-    "pydantic>=1.9.0,!=2.0.0",
+    "pydantic>=1.9.0,<3,!=2.0.0",
     "ruamel.yaml",
     "semver>=3.0.0",
     "entrypoints",