diff --git a/gulp-cached/gulp-cached-tests.ts b/gulp-cached/gulp-cached-tests.ts
new file mode 100644
index 0000000000..42a6697388
--- /dev/null
+++ b/gulp-cached/gulp-cached-tests.ts
@@ -0,0 +1,21 @@
+/// <reference path="../gulp/gulp.d.ts" />
+/// <reference path="./gulp-cached.d.ts" />
+
+import * as gulp from "gulp";
+import cached = require("gulp-cached");
+
+// Usage
+gulp.src("*.ts")
+    .pipe(cached("ts-cache"));
+
+gulp.src("*.ts")
+    .pipe(cached("ts-cache", {}));
+
+gulp.src("*.ts")
+    .pipe(cached("ts-cache", { optimizeMemory: true }));
+
+// Clearing the whole cache
+cached.caches = {};
+
+// Clearing a specific cache entry
+delete cached.caches["ts-cache"];
diff --git a/gulp-cached/gulp-cached.d.ts b/gulp-cached/gulp-cached.d.ts
new file mode 100644
index 0000000000..eeb03997c1
--- /dev/null
+++ b/gulp-cached/gulp-cached.d.ts
@@ -0,0 +1,39 @@
+// Type definitions for gulp-cached
+// Project: https://github.com/wearefractal/gulp-cached
+// Definitions by: Thomas Corbière <https://github.com/tomc974>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+/// <reference path="../node/node.d.ts"/>
+
+declare module "gulp-cached"
+{
+    interface ICacheStore
+    {
+        [name: string]: {};
+    }
+
+    interface IOptions
+    {
+        /**
+         * Uses md5 instead of storing the whole file contents.
+         * @default false
+         */
+        optimizeMemory?: boolean;
+    }
+
+    interface IGulpCached
+    {
+        /**
+         * Creates a new cache hash or uses an existing one.
+         */
+        (name: string, options?: IOptions): NodeJS.ReadWriteStream;
+
+        /**
+         * Cache store.
+         */
+        caches: ICacheStore;
+    }
+
+    const cached: IGulpCached;
+    export = cached;
+}