diff --git a/pungi/checks.py b/pungi/checks.py
index 25a343fb..c4b39613 100644
--- a/pungi/checks.py
+++ b/pungi/checks.py
@@ -39,6 +39,7 @@ from __future__ import print_function
 import multiprocessing
 import os.path
 import platform
+import distro
 import re
 
 import jsonschema
@@ -450,22 +451,42 @@ def _extend_with_default_and_alias(validator_class, offline=False):
     def is_string_type(checker, instance):
         return isinstance(instance, six.string_types)
 
-    validator = jsonschema.validators.extend(
-        validator_class,
-        {
-            "properties": properties_validator,
-            "deprecated": error_on_deprecated,
-            "type": validate_regex_type,
-            "required": _validate_required,
-            "additionalProperties": _validate_additional_properties,
-            "anyOf": _validate_any_of,
-        },
-    )
-    validator.DEFAULT_TYPES.update({
-        "array": (list, tuple),
-        "regex": six.string_types,
-        "url": six.string_types,
-    })
+    # RHEL9 has newer version of package jsonschema
+    # which has another way of working with validators
+    if float(distro.linux_distribution()[1]) < 9:
+        validator = jsonschema.validators.extend(
+            validator_class,
+            {
+                "properties": properties_validator,
+                "deprecated": error_on_deprecated,
+                "type": validate_regex_type,
+                "required": _validate_required,
+                "additionalProperties": _validate_additional_properties,
+                "anyOf": _validate_any_of,
+            },
+        )
+        validator.DEFAULT_TYPES.update({
+            "array": (list, tuple),
+            "regex": six.string_types,
+            "url": six.string_types,
+        })
+    else:
+        type_checker = validator_class.TYPE_CHECKER.redefine_many(
+            {"array": is_array, "regex": is_string_type, "url": is_string_type}
+        )
+
+        validator = jsonschema.validators.extend(
+            validator_class,
+            {
+                "properties": properties_validator,
+                "deprecated": error_on_deprecated,
+                "type": validate_regex_type,
+                "required": _validate_required,
+                "additionalProperties": _validate_additional_properties,
+                "anyOf": _validate_any_of,
+            },
+            type_checker=type_checker,
+        )
     return validator