diff --git a/django/db/backends/oracle/features.py b/django/db/backends/oracle/features.py
index 2ef9e4300c92..cea3b128634b 100644
--- a/django/db/backends/oracle/features.py
+++ b/django/db/backends/oracle/features.py
@@ -76,7 +76,6 @@ class DatabaseFeatures(BaseDatabaseFeatures):
     allows_multiple_constraints_on_same_fields = False
     supports_boolean_expr_in_select_clause = False
     supports_comparing_boolean_expr = False
-    supports_primitives_in_json_field = False
     supports_json_field_contains = False
     supports_collation_on_textfield = False
     test_collations = {
@@ -157,3 +156,7 @@ def supports_collation_on_charfield(self):
                     return False
                 raise
             return True
+
+    @cached_property
+    def supports_primitives_in_json_field(self):
+        return self.connection.oracle_version >= (21,)