diff --git a/__mocks__/api.yaml b/__mocks__/api.yaml
index 2c50aa5..80ac33d 100644
--- a/__mocks__/api.yaml
+++ b/__mocks__/api.yaml
@@ -797,6 +797,18 @@ definitions:
           $ref: "#/definitions/DefinitionFieldWithDash"
     required:
       - items
+  AnObjectWithAnItemsNativeTypeField:
+      description: |-
+        What if a object has a field named items?
+        The case is an object like { items: [] }, which is legal
+      type: object
+      properties:
+        items:
+          type: array
+          items:
+            type: string
+      required:
+        - items
   ObjectDefinitionWithImplicitType:
     # Sometimes type isn't specified, nevertheless we can infer the definition to be an object 
     # type: object 
diff --git a/__mocks__/openapi_v3/api.yaml b/__mocks__/openapi_v3/api.yaml
index abc4938..3af7a21 100644
--- a/__mocks__/openapi_v3/api.yaml
+++ b/__mocks__/openapi_v3/api.yaml
@@ -562,6 +562,18 @@ components:
             $ref: "#/components/schemas/DefinitionFieldWithDash"
       required:
         - items
+    AnObjectWithAnItemsNativeTypeField:
+      description: |-
+        What if a object has a field named items of a native type?
+        The case is an object like { items: [] }, which is legal
+      type: object
+      properties:
+        items:
+          type: array
+          items:
+            type: string
+      required:
+        - items
     AnObjectWithRefImport:
       title: AnObjectWithRefImport
       description: Describes an object with a ref import
diff --git a/package.json b/package.json
index 4c216c8..53e13a8 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
     "@pagopa/ts-commons": "^10.15.0",
     "fs-extra": "^6.0.0",
     "nunjucks": "^3.2.3",
-    "openapi-types": "^10.0.0",
+    "openapi-types": "^12.1.3",
     "prettier": "^1.12.1",
     "safe-identifier": "^0.4.2",
     "swagger-parser": "^10.0.3",
diff --git a/src/commands/gen-api-models/__tests__/parse.test.ts b/src/commands/gen-api-models/__tests__/parse.test.ts
index 10a0fb9..d36c318 100644
--- a/src/commands/gen-api-models/__tests__/parse.test.ts
+++ b/src/commands/gen-api-models/__tests__/parse.test.ts
@@ -407,6 +407,30 @@ describe.each`
     }
   });
 
+  it("should handle AnObjectWithAnItemsNativeTypeField", async () => {
+    const definition = getDefinitionOrFail(spec, "AnObjectWithAnItemsNativeTypeField");
+
+    const parsed = getParser(spec).parseDefinition(
+      // @ts-ignore
+      definition
+    );
+
+    //expect(parsed).toEqual({});
+    expect(parsed.type).toBe("object");
+    expect(parsed.properties?.items).toEqual(expect.any(Object));
+
+    if (parsed.properties?.items && "type" in parsed.properties?.items) {
+      expect(parsed.properties?.items.type).toBe("array");
+      expect(parsed.properties?.items.items).toEqual(
+        expect.objectContaining({
+          type: "string"
+        })
+      );
+    } else {
+      fail("a type should be specified");
+    }
+  });
+
   it("should handle ObjectDefinitionWithImplicitType", async () => {
     const definition = getDefinitionOrFail(
       spec,
diff --git a/src/commands/gen-api-models/parse.v2.ts b/src/commands/gen-api-models/parse.v2.ts
index 4c5e259..f3d4316 100644
--- a/src/commands/gen-api-models/parse.v2.ts
+++ b/src/commands/gen-api-models/parse.v2.ts
@@ -685,6 +685,10 @@ function specTypeToTs(parameter: OpenAPIV2.ParameterObject): string {
   switch (parameter.type) {
     case "integer":
       return "number";
+    case "array":
+      return "type" in parameter.items
+        ? `${parameter.items.type}[]`
+        : parameter.type;
     case "file":
       return `{ "uri": string, "name": string, "type": string }`;
     default:
diff --git a/src/commands/gen-api-models/parse.v3.ts b/src/commands/gen-api-models/parse.v3.ts
index 75412ec..f67e701 100644
--- a/src/commands/gen-api-models/parse.v3.ts
+++ b/src/commands/gen-api-models/parse.v3.ts
@@ -825,6 +825,8 @@ function specTypeToTs(parameter: OpenAPIV3.ParameterObject): string {
   switch (schema.type) {
     case "integer":
       return "number";
+    case "array":
+      return "type" in schema.items ? `${schema.items.type}[]` : schema.type;
     default:
       return schema.type;
   }
diff --git a/yarn.lock b/yarn.lock
index f142bd2..ac17fbe 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3986,10 +3986,10 @@ onetime@^5.1.0:
   dependencies:
     mimic-fn "^2.1.0"
 
-openapi-types@^10.0.0:
-  version "10.0.0"
-  resolved "https://registry.yarnpkg.com/openapi-types/-/openapi-types-10.0.0.tgz#0debbf663b2feed0322030b5b7c9080804076934"
-  integrity sha512-Y8xOCT2eiKGYDzMW9R4x5cmfc3vGaaI4EL2pwhDmodWw1HlK18YcZ4uJxc7Rdp7/gGzAygzH9SXr6GKYIXbRcQ==
+openapi-types@^12.1.3:
+  version "12.1.3"
+  resolved "https://registry.yarnpkg.com/openapi-types/-/openapi-types-12.1.3.tgz#471995eb26c4b97b7bd356aacf7b91b73e777dd3"
+  integrity sha512-N4YtSYJqghVu4iek2ZUvcN/0aqH1kRDuNqzcycDxhOUpg7GdvLa2F3DgS6yBNhInhv2r/6I0Flkn7CqL8+nIcw==
 
 optionator@^0.8.1:
   version "0.8.3"