diff --git a/types/swagger-schema-official/index.d.ts b/types/swagger-schema-official/index.d.ts
index fbdd5b6d8f..c3675d7755 100644
--- a/types/swagger-schema-official/index.d.ts
+++ b/types/swagger-schema-official/index.d.ts
@@ -55,18 +55,19 @@ export interface QueryParameter extends BaseParameter, BaseSchema {
   allowEmptyValue?: boolean;
 }
 
-export interface PathParameter extends BaseParameter {
+export interface PathParameter extends BaseParameter, BaseSchema {
   type: string;
   required: boolean;
 }
 
-export interface HeaderParameter extends BaseParameter {
+export interface HeaderParameter extends BaseParameter, BaseSchema {
   type: string;
 }
 
 export interface FormDataParameter extends BaseParameter, BaseSchema {
   type: string;
   collectionFormat?: string;
+  allowEmptyValue?: boolean;
 }
 
 export type Parameter =