diff --git a/aiohttp_deps/swagger.py b/aiohttp_deps/swagger.py
index 3c0389d..042f60d 100644
--- a/aiohttp_deps/swagger.py
+++ b/aiohttp_deps/swagger.py
@@ -93,7 +93,10 @@ def dummy(_var: annotation.annotation) -> None:  # type: ignore
         """Dummy function to use for type resolution."""
 
     var = get_type_hints(dummy).get("_var")
-    return pydantic.TypeAdapter(var).json_schema(ref_template=REF_TEMPLATE)
+    return pydantic.TypeAdapter(var).json_schema(
+        ref_template=REF_TEMPLATE,
+        mode="validation",
+    )
 
 
 def _add_route_def(  # noqa: C901, WPS210, WPS211
@@ -139,7 +142,7 @@ def _insert_in_params(data: Dict[str, Any]) -> None:
             ):
                 input_schema = pydantic.TypeAdapter(
                     dependency.signature.annotation,
-                ).json_schema(ref_template=REF_TEMPLATE)
+                ).json_schema(ref_template=REF_TEMPLATE, mode="validation")
                 openapi_schema["components"]["schemas"].update(
                     input_schema.pop("$defs", {}),
                 )
@@ -365,7 +368,10 @@ def decorator(func: _T) -> _T:
         if not status_response:
             status_response["description"] = description
         status_response["content"] = status_response.get("content", {})
-        response_schema = adapter.json_schema(ref_template=REF_TEMPLATE)
+        response_schema = adapter.json_schema(
+            ref_template=REF_TEMPLATE,
+            mode="serialization",
+        )
         openapi_schemas.update(response_schema.pop("$defs", {}))
         status_response["content"][content_type] = {"schema": response_schema}
         responses[status] = status_response
diff --git a/pyproject.toml b/pyproject.toml
index a0e9ce8..165b16e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -3,7 +3,7 @@ name = "aiohttp-deps"
 description = "Dependency injection for AioHTTP"
 authors = ["Taskiq team <taskiq@no-reply.com>"]
 maintainers = ["Taskiq team <taskiq@no-reply.com>"]
-version = "1.0.1"
+version = "1.0.2"
 readme = "README.md"
 license = "LICENSE"
 classifiers = [
diff --git a/tests/test_swagger.py b/tests/test_swagger.py
index 4da3f68..532a002 100644
--- a/tests/test_swagger.py
+++ b/tests/test_swagger.py
@@ -3,7 +3,8 @@
 
 import pytest
 from aiohttp import web
-from pydantic import BaseModel
+from pydantic import BaseModel, WithJsonSchema
+from typing_extensions import Annotated
 
 from aiohttp_deps import (
     Depends,
@@ -707,3 +708,42 @@ async def my_handler():
     ]["schema"]["properties"]["data"]["$ref"]
     first_obj = follow_ref(first_ref, resp_json)
     assert "name" in first_obj["properties"]
+
+
+@pytest.mark.anyio
+async def test_annotated(
+    my_app: web.Application,
+    aiohttp_client: ClientGenerator,
+) -> None:
+    OPENAPI_URL = "/my_api_def.json"
+    my_app.on_startup.append(setup_swagger(schema_url=OPENAPI_URL))
+
+    validation_type = "int"
+    serialization_type = "float"
+
+    MyType = Annotated[
+        str,
+        WithJsonSchema({"type": validation_type}, mode="validation"),
+        WithJsonSchema({"type": serialization_type}, mode="serialization"),
+    ]
+
+    class TestModel(BaseModel):
+        mt: MyType
+
+    @openapi_response(200, TestModel)
+    async def my_handler(param: TestModel = Depends(Json())) -> None:
+        """Nothing."""
+
+    my_app.router.add_get("/a", my_handler)
+    client = await aiohttp_client(my_app)
+    response = await client.get(OPENAPI_URL)
+    resp_json = await response.json()
+    request_schema = resp_json["paths"]["/a"]["get"]
+    oapi_serialization_type = request_schema["responses"]["200"]["content"][
+        "application/json"
+    ]["schema"]["properties"]["mt"]["type"]
+    assert oapi_serialization_type == serialization_type
+    oapi_validation_type = request_schema["requestBody"]["content"]["application/json"][
+        "schema"
+    ]["properties"]["mt"]["type"]
+    assert oapi_validation_type == validation_type