diff --git a/types/superagent/index.d.ts b/types/superagent/index.d.ts
index 315248209c..798a88448e 100644
--- a/types/superagent/index.d.ts
+++ b/types/superagent/index.d.ts
@@ -133,6 +133,7 @@ declare namespace request {
         ca(cert: string | string[] | Buffer | Buffer[]): this;
         cert(cert: string | string[] | Buffer | Buffer[]): this;
         clearTimeout(): this;
+        disableTLSCerts(): this;
         end(callback?: CallbackHandler): void;
         field(name: string, val: MultipartValue): this;
         field(fields: { [fieldName: string]: MultipartValue }): this;