diff --git a/pandas_schema/errors.py b/pandas_schema/errors.py
index a9176bf..aa6e45d 100644
--- a/pandas_schema/errors.py
+++ b/pandas_schema/errors.py
@@ -1,4 +1,4 @@
-class PanSchError(BaseException):
+class PanSchError(Exception):
     """
     Base class for all pandas_schema exceptions
     """