diff --git a/brorand/brorand.d.ts b/brorand/brorand.d.ts
new file mode 100644
index 000000000..aa0e6ff5d
--- /dev/null
+++ b/brorand/brorand.d.ts
@@ -0,0 +1,30 @@
+// Type definitions for Brorand v1.0.5
+// Project: https://github.com/indutny/brorand
+// Definitions by: Ilya Mochalov <https://github.com/chrootsu>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+/// <reference path="../node/node.d.ts" />
+
+declare module "brorand" {
+	type rand = {getByte: () => number};
+
+	interface RandStatic {
+		new (rand: rand): RandInstance;
+	}
+
+	interface RandInstance {
+		rand: rand;
+		generate(len: number): Buffer|Uint8Array;
+	}
+
+	interface BrorandStatic {
+		(len: number): Buffer|Uint8Array;
+		Rand: RandStatic;
+	}
+
+	namespace Brorand {}
+
+	let Brorand: BrorandStatic;
+
+	export = Brorand;
+}