diff --git a/types/object-hash/index.d.ts b/types/object-hash/index.d.ts
index 4da49c262c..a6f147cd1e 100644
--- a/types/object-hash/index.d.ts
+++ b/types/object-hash/index.d.ts
@@ -1,8 +1,12 @@
-// Type definitions for object-hash v1.2.0
+// Type definitions for object-hash v1.3.1
 // Project: https://github.com/puleos/object-hash
-// Definitions by: Michael Zabka <https://github.com/misak113>
+// Definitions by: Michael Zabka <https://github.com/misak113>, Artur Diniz <https://github.com/artdiniz>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
+/// <reference types="node" />
+
+import stream = require("stream");
+
 import HashStatic = ObjectHash.HashStatic;
 export = HashStatic;
 export as namespace objectHash;
@@ -15,43 +19,22 @@ declare namespace ObjectHash {
 		ignoreUnknown?: boolean;
 		replacer?: (value: any) => any;
 		respectFunctionProperties?: boolean;
-		respectFunctionNames?: boolean;
+        respectFunctionNames?: boolean;
+        respectType?: boolean;
 		unorderedArrays?: boolean;
-		unorderedSets?: boolean;
+        unorderedSets?: boolean;
+        unorderedObjects?: boolean;
 		excludeKeys?: (key: string) => boolean;
 	}
 
-	interface HashTableItem {
-		value: any;
-		count: number;
-	}
-
-	interface HashTableItemWithKey extends HashTableItem {
-		hash: string;
-	}
-
-	export interface HashTable {
-		add(...values: any[]): HashTable;
-		remove(...values: any[]): HashTable;
-		hasKey(key: string): boolean;
-		getValue(key: string): any;
-		getCount(key: string): number;
-		table(): { [key: string]: HashTableItem };
-		toArray(): HashTableItemWithKey[];
-		reset(): HashTable;
-	}
-
-	export interface HashTableStatic {
-		(options?: IOptions): HashTable;
-	}
-
 	export interface Hash {
 		(object: any, options?: IOptions): string;
 		sha1(object: any): string;
 		keys(object: any): string;
 		MD5(object: any): string;
 		keysMD5(object: any): string;
-		HashTable: HashTableStatic;
+		writeToStream(value: any, stream: stream.PassThrough): void;
+		writeToStream(value: any, options: IOptions, stream: stream.PassThrough): void;
 	}
 
 	export var HashStatic: Hash;
diff --git a/types/object-hash/object-hash-tests.ts b/types/object-hash/object-hash-tests.ts
index 24e8f05fcb..0a20d28a08 100644
--- a/types/object-hash/object-hash-tests.ts
+++ b/types/object-hash/object-hash-tests.ts
@@ -1,6 +1,5 @@
-
-
 import hash = require('object-hash');
+import stream = require('stream')
 
 var hashed: string;
 
@@ -14,6 +13,10 @@ hashed = hash.keys(obj);
 hashed = hash.MD5(obj);
 hashed = hash.keysMD5(obj);
 
+var passThroughStream = new stream.PassThrough();
+hash.writeToStream(obj, passThroughStream);
+hashed = passThroughStream.read().toString();
+
 var options = {
 	algorithm: 'md5',
 	encoding: 'utf8',
@@ -22,28 +25,3 @@ var options = {
 };
 
 hashed = hash(obj, options);
-
-// HashTable
-var table: any;
-table = hash.HashTable();
-table = hash.HashTable(options);
-
-table = table.add(obj);
-table = table.add(obj, obj);
-table = table.remove(obj);
-table = table.remove(obj, obj);
-
-var has: boolean = table.hasKey('whatEver');
-var value: any = table.getValue('whatEver');
-var count: number = table.getCount('whatEver');
-
-var tableObject = table.table();
-tableObject['whatEver'].value;
-tableObject['whatEver'].count;
-
-var tableArray = table.toArray();
-tableArray.shift().value;
-tableArray.pop().count;
-tableArray[2].hash;
-
-table = table.reset();