diff --git a/lib/resource/lock/Lock.d.ts b/lib/resource/lock/Lock.d.ts
index a01c1394..9ea2a151 100644
--- a/lib/resource/lock/Lock.d.ts
+++ b/lib/resource/lock/Lock.d.ts
@@ -11,4 +11,5 @@ export declare class Lock {
     user: IUser;
     constructor(lockKind: LockKind, user: IUser, owner: LockOwner);
     expired(): boolean;
+    refresh(timeout?: number): void;
 }
diff --git a/lib/resource/lock/Lock.js b/lib/resource/lock/Lock.js
index 4a2f47c7..5ff5cdb7 100644
--- a/lib/resource/lock/Lock.js
+++ b/lib/resource/lock/Lock.js
@@ -29,6 +29,9 @@ var Lock = (function () {
     Lock.prototype.expired = function () {
         return Date.now() > this.expirationDate;
     };
+    Lock.prototype.refresh = function (timeout) {
+        this.expirationDate += timeout ? timeout : this.lockKind.timeout;
+    };
     return Lock;
 }());
 exports.Lock = Lock;
diff --git a/src/resource/lock/Lock.ts b/src/resource/lock/Lock.ts
index 2d8cea40..22305275 100644
--- a/src/resource/lock/Lock.ts
+++ b/src/resource/lock/Lock.ts
@@ -55,4 +55,9 @@ export class Lock
     {
         return Date.now() > this.expirationDate;
     }
+
+    refresh(timeout ?: number)
+    {
+        this.expirationDate += timeout ? timeout : this.lockKind.timeout;
+    }
 }