diff --git a/packages/nestjs-zod/src/openapi/zod-to-openapi.test.ts b/packages/nestjs-zod/src/openapi/zod-to-openapi.test.ts
index ae0c916..1a056af 100644
--- a/packages/nestjs-zod/src/openapi/zod-to-openapi.test.ts
+++ b/packages/nestjs-zod/src/openapi/zod-to-openapi.test.ts
@@ -94,7 +94,16 @@ describe.each([
   
     expect(openApiObject).toMatchSnapshot()
   })
-  
+
+  it('should serialize dates', () => {
+    const schema = z.date()
+    const openApiObject = zodToOpenAPI(schema)
+
+    expect(openApiObject).toEqual({
+      type: 'string',
+    })
+  });
+
   it('should serialize objects', () => {
     const schema = z.object({
       prop1: z.string(),
diff --git a/packages/nestjs-zod/src/openapi/zod-to-openapi.ts b/packages/nestjs-zod/src/openapi/zod-to-openapi.ts
index 66e8d66..1ad056f 100644
--- a/packages/nestjs-zod/src/openapi/zod-to-openapi.ts
+++ b/packages/nestjs-zod/src/openapi/zod-to-openapi.ts
@@ -51,6 +51,10 @@ export function zodToOpenAPI(
     }
   }
 
+  if (is(zodType, z.ZodDate)) {
+    object.type = 'string'
+  }
+
   if (is(zodType, z.ZodPassword)) {
     const { checks } = zodType._def
     const regex = zodType.buildFullRegExp()