diff --git a/openapi_core/unmarshalling/request/datatypes.py b/openapi_core/unmarshalling/request/datatypes.py
index 9e82ccab..47d520c3 100644
--- a/openapi_core/unmarshalling/request/datatypes.py
+++ b/openapi_core/unmarshalling/request/datatypes.py
@@ -4,6 +4,7 @@
 
 from dataclasses import dataclass
 from dataclasses import field
+from typing import Any
 
 from openapi_core.datatypes import Parameters
 from openapi_core.unmarshalling.datatypes import BaseUnmarshalResult
@@ -11,6 +12,6 @@
 
 @dataclass
 class RequestUnmarshalResult(BaseUnmarshalResult):
-    body: str | None = None
+    body: Any | None = None
     parameters: Parameters = field(default_factory=Parameters)
     security: dict[str, str] | None = None