diff --git a/types/deep-freeze/deep-freeze-tests.ts b/types/deep-freeze/deep-freeze-tests.ts
index 4eeb1e9890..b8a6061859 100644
--- a/types/deep-freeze/deep-freeze-tests.ts
+++ b/types/deep-freeze/deep-freeze-tests.ts
@@ -1,8 +1,7 @@
-
-
 import df = require('deep-freeze');
 
 class Foo {
-	foo: string;
+    foo: string;
 }
-var foo:Foo = df(new Foo());
+const foo = df(new Foo());
+const items = df([{id: 0, name: 'first'}]);
diff --git a/types/deep-freeze/index.d.ts b/types/deep-freeze/index.d.ts
index 92f6c8db2f..2e08d1532a 100644
--- a/types/deep-freeze/index.d.ts
+++ b/types/deep-freeze/index.d.ts
@@ -1,13 +1,15 @@
-// Type definitions for deep-freeze
+// Type definitions for deep-freeze 0.1
 // Project: https://github.com/substack/deep-freeze
 // Definitions by: Bart van der Schoor <https://github.com/Bartvds>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 2.1
 
-declare var deepFreeze: DeepFreeze.DeepFreezeInterface;
 export = deepFreeze;
 
-declare namespace DeepFreeze {
-   export interface DeepFreezeInterface {
-      <T>(obj: T): T;
-    }
+declare function deepFreeze<T>(a: T[]): ReadonlyArray<deepFreeze.DeepReadonly<T>>;
+declare function deepFreeze<T extends Function>(f: T): T;
+declare function deepFreeze<T>(o: T): deepFreeze.DeepReadonly<T>;
+
+declare namespace deepFreeze {
+    type DeepReadonly<T> = Readonly<{ [P in keyof T]: DeepReadonly<T[P]> }>;
 }
diff --git a/types/deep-freeze/tslint.json b/types/deep-freeze/tslint.json
new file mode 100644
index 0000000000..1cd17c5dc4
--- /dev/null
+++ b/types/deep-freeze/tslint.json
@@ -0,0 +1,7 @@
+{
+  "extends": "dtslint/dt.json",
+  "rules": {
+    // This package uses the Function type to align with lib.d.ts
+    "ban-types": false
+  }
+}