diff --git a/types/graphql-relay/index.d.ts b/types/graphql-relay/index.d.ts
index 842e1ad4f1..87634b98c9 100644
--- a/types/graphql-relay/index.d.ts
+++ b/types/graphql-relay/index.d.ts
@@ -244,6 +244,7 @@ export interface MutationConfig {
     inputFields: Thunk<GraphQLInputFieldConfigMap>;
     outputFields: Thunk<GraphQLFieldConfigMap<any, any>>;
     mutateAndGetPayload: mutationFn;
+    deprecationReason?: string;
 }
 
 /**