diff --git a/node-uuid/node-uuid.d.ts b/node-uuid/node-uuid.d.ts
index 9a6368b108..b069e8f37f 100644
--- a/node-uuid/node-uuid.d.ts
+++ b/node-uuid/node-uuid.d.ts
@@ -11,25 +11,25 @@ interface UUIDOptions {
      * Node id as Array of 6 bytes (per 4.1.6).
      * Default: Randomly generated ID. See note 1.
      */
-    node: any[]
+    node?: any[]
 
     /**
      * (Number between 0 - 0x3fff) RFC clock sequence.
      * Default: An internally maintained clockseq is used.
      */
-    clockseq: number
+    clockseq?: number
 
     /**
      * (Number | Date) Time in milliseconds since unix Epoch.
      * Default: The current time is used.
      */
-    msecs: any
+    msecs?: any
 
     /**
      * (Number between 0-9999) additional time, in 100-nanosecond units. Ignored if msecs is unspecified.
      * Default: internal uuid counter is used, as per 4.2.1.2.
      */
-    nsecs: number
+    nsecs?: number
 }
 
 interface UUID {