diff --git a/package.json b/package.json
index 8ced836..850d666 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "node-eventstore-client",
-  "version": "0.1.2",
+  "version": "0.1.3",
   "description": "A port of the EventStore .Net ClientAPI to Node.js",
   "main": "index.js",
   "types": "index.d.ts",
diff --git a/src/eventData.js b/src/eventData.js
index 86e9589..34505a3 100644
--- a/src/eventData.js
+++ b/src/eventData.js
@@ -1,6 +1,6 @@
 var uuid = require('uuid');
 
-const uuidRegex = /^[0-9a-f]{8}-[0-9a-f]{4}-[1-5][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i;
+const uuidRegex = /^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/i;
 function isValidId(id) {
   if (typeof id !== 'string') return false;
   return uuidRegex.test(id);