diff --git a/target_redshift/__init__.py b/target_redshift/__init__.py
index 82b31f0..bf3c6a8 100644
--- a/target_redshift/__init__.py
+++ b/target_redshift/__init__.py
@@ -13,7 +13,7 @@
 from tempfile import mkstemp
 
 from joblib import Parallel, delayed, parallel_backend
-from jsonschema import Draft4Validator, FormatChecker
+from jsonschema import Draft7Validator, FormatChecker
 from singer import get_logger
 from itertools import islice
 
@@ -204,7 +204,7 @@ def persist_lines(config, lines, table_cache=None) -> None:
             stream = o['stream']
 
             schemas[stream] = float_to_decimal(o['schema'])
-            validators[stream] = Draft4Validator(schemas[stream], format_checker=FormatChecker())
+            validators[stream] = Draft7Validator(schemas[stream], format_checker=FormatChecker())
 
             # flush records from previous stream SCHEMA
             # if same stream has been encountered again, it means the schema might have been altered