diff --git a/package.json b/package.json
index fd6537f..50c1bf1 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "node-superfetch",
-	"version": "0.1.7",
+	"version": "0.1.8",
 	"description": "A wrapper for node-fetch that makes it appear like superagent.",
 	"main": "index.js",
 	"typings": "typings/index.d.ts",
@@ -35,9 +35,11 @@
 		"node-fetch": "^2.2.0"
 	},
 	"devDependencies": {
+		"@types/node": "^10.11.3",
 		"eslint": "^5.6.1",
 		"eslint-config-amber": "^1.1.0",
-		"eslint-plugin-json": "^1.2.1"
+		"eslint-plugin-json": "^1.2.1",
+		"typescript": "^3.1.1"
 	},
 	"eslintConfig": {
 		"extends": "amber",
diff --git a/typings/index.d.ts b/typings/index.d.ts
index c1a9276..cae85a7 100644
--- a/typings/index.d.ts
+++ b/typings/index.d.ts
@@ -77,6 +77,7 @@ declare class Request extends Promise<Response> {
 
   public send(body: RequestBody, raw?: boolean): this;
   public redirects(amount: number): this;
+  public agent(agent: Agent): this;
 
   protected _request(): Promise<Response>;
 }