diff --git a/ninja/conf.py b/ninja/conf.py
index 0be2c47e..28791191 100644
--- a/ninja/conf.py
+++ b/ninja/conf.py
@@ -20,6 +20,8 @@ class Settings(BaseModel):
         NINJA_SCHEMA_GENERATOR_CLASS (str):
             The schema generation class to use. Defaults to
             `ninja.schema.NinjaGenerateJsonSchema`.
+        NINJA_SCHEMA_MODE (str):
+            The schema mode to use. Defaults to `serialization`.
     """
 
     PAGINATION_CLASS: str = Field(
@@ -31,6 +33,9 @@ class Settings(BaseModel):
     SCHEMA_GENERATOR_CLASS: str = Field(
         "ninja.schema.NinjaGenerateJsonSchema", alias="NINJA_SCHEMA_GENERATOR_CLASS"
     )
+    SCHEMA_MODE: str = Field(
+        "serialization", alias="NINJA_SCHEMA_MODE"
+    )
 
     class Config:
         from_attributes = True
diff --git a/ninja/openapi/schema.py b/ninja/openapi/schema.py
index 616c852a..7c98b77a 100644
--- a/ninja/openapi/schema.py
+++ b/ninja/openapi/schema.py
@@ -152,6 +152,7 @@ def _extract_parameters(self, model: TModel) -> List[DictStrAny]:
         schema = model.model_json_schema(
             ref_template=REF_TEMPLATE,
             schema_generator=import_string(settings.SCHEMA_GENERATOR_CLASS),
+            mode=settings.SCHEMA_MODE
         )
 
         required = set(schema.get("required", []))
@@ -217,6 +218,7 @@ def _create_schema_from_model(
                 ref_template=REF_TEMPLATE,
                 by_alias=by_alias,
                 schema_generator=import_string(settings.SCHEMA_GENERATOR_CLASS),
+                mode=settings.SCHEMA_MODE
             ).copy()
 
         # move Schemas from definitions