diff --git a/setup.cfg b/setup.cfg
index 3571db333..fefaa6435 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -46,7 +46,7 @@ install_requires =
     packaging
     platformdirs
     pycryptodomex  # for EncryptedKeyring backend in keyrings.alt
-    pydantic >= 1.9.0
+    pydantic ~= 2.0
     pynwb >= 1.0.3,!=1.1.0,!=2.3.0
     nwbinspector >= 0.4.28
     pyout >=0.5, !=0.6.0
@@ -218,4 +218,3 @@ ignore_missing_imports = True
 
 [pydantic-mypy]
 init_forbid_extra = True
-warn_untypes_fields = True