diff --git a/package.json b/package.json
index 2b83d28..8a8ad0e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ravelinjs",
-  "version": "0.0.2",
+  "version": "0.0.3",
   "description": "Ravelin Browser Card Encryption Library.",
   "main": "ravelin.js",
   "scripts": {
diff --git a/ravelin.js b/ravelin.js
index e37d07b..efe22e1 100644
--- a/ravelin.js
+++ b/ravelin.js
@@ -9,7 +9,7 @@
   }
 }(typeof self !== 'undefined' ? self : this, function () {
 
-  var version = '0.0.2';
+  var version = '0.0.3';
 
   var RSAKey = (function(){
     // prng4.js - uses Arcfour as a PRNG
@@ -965,7 +965,7 @@
     if (typeof details.month == 'string') {
       details.month = parseInt(details.month, 10);
     }
-    if (!(details.month > 0 && details.month < 12)) {
+    if (!(details.month > 0 && details.month < 13)) {
       throw new Error("RavelinJS validation: month should be in the range 1-12");
     }
 
@@ -1011,4 +1011,4 @@
 
   RavelinJS.RavelinJS = RavelinJS;
   return new RavelinJS();
-}));
\ No newline at end of file
+}));
diff --git a/test/test.js b/test/test.js
index 6125d70..b300dd7 100644
--- a/test/test.js
+++ b/test/test.js
@@ -60,7 +60,7 @@ describe('ravelinjs', function() {
                     c.cardCiphertext != "" && c.cardCiphertext.length > 10 &&
                     c.aesKeyCiphertext != "" && c.aesKeyCiphertext.length > 10 &&
                     c.algorithm == "RSA_WITH_AES_256_GCM" &&
-                    c.ravelinjsVersion == "0.0.2"
+                    c.ravelinjsVersion == "0.0.3"
                 );
             }
 
@@ -78,7 +78,7 @@ describe('ravelinjs', function() {
 
             expect(ravelin.encrypt({
                 pan: '4111 1111 1111 1111',
-                month: "10",
+                month: "12",
                 year: "20",
             })).to.satisfy(validCipher);
         });