diff --git a/setup.cfg b/setup.cfg
index e0f42054e..5b57f085c 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -33,7 +33,7 @@ python_requires = >= 3.7.2
 install_requires =
     lxml >= 3.6
     pandas >= 1.0
-    pydantic >= 1.7
+    pydantic >= 1.7, <1.8
     python-dateutil
     requests >= 2.7
     setuptools >= 41