diff --git a/CHANGELOG.md b/CHANGELOG.md
index a0462f4..7da2d1a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+2.0.1
+=====
+
+- The npm module now includes built files under `dist/`.
+
 2.0.0
 =====
 
diff --git a/dist/card-validator.js b/dist/card-validator.js
index 5075687..86318dd 100644
--- a/dist/card-validator.js
+++ b/dist/card-validator.js
@@ -2102,7 +2102,7 @@ function isEmptyObject(object) {
 }
 
 function cardNumber(value) {
-  var cardType, valid;
+  var cardType, valid, i, maxLength;
 
   if (isNumber(value)) {
     value = String(value);
@@ -2116,32 +2116,28 @@ function cardNumber(value) {
 
   if (!/^\d*$/.test(value)) { return verification(null, false, false); }
 
-  // TODO: Just letting these go here as validPartials
-  // The optimal solution would be to have a separate
-  // set of regexes for partial validations
+  cardType = getCardType(value);
+  if (isEmptyObject(cardType)) { return verification(null, false, false); }
 
-  // Discover cannot be determined until we have 4 digits
-  if (value.length <= 3 && value[0] === '6') {
-    return verification(null, true, false);
+  if (cardType.type === 'unionpay') { // UnionPay is not Luhn 10 compliant
+    valid = true;
+  } else {
+    valid = luhn10(value);
   }
 
-  // Non-discover cards
-  if (value.length <= 1 && /^(5|4|3)/.test(value)) { return verification(null, true, false); }
+  for (i = 0; i < cardType.lengths.length; i++) {
+    if (cardType.lengths[i] === value.length) {
+      return verification(cardType, valid, valid);
+    }
+  }
 
-  cardType = getCardType(value);
-  if (isEmptyObject(cardType)) { return verification(null, false, false); }
+  maxLength = Math.max.apply(null, cardType.lengths);
 
-  // Recognized as card but not long enough yet: validPartial
-  if (value.length < cardType.length) {
+  if (value.length < maxLength) {
     return verification(cardType, true, false);
   }
 
-  if (value.length > cardType.length) {
-    return verification(cardType, false, false);
-  }
-
-  valid = luhn10(value);
-  return verification(cardType, valid, valid);
+  return verification(cardType, false, false);
 }
 
 module.exports = cardNumber;
diff --git a/dist/card-validator.min.js b/dist/card-validator.min.js
index efe3438..e0867be 100644
--- a/dist/card-validator.min.js
+++ b/dist/card-validator.min.js
@@ -1 +1 @@
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\ No newline at end of file
diff --git a/package.json b/package.json
index 1a3ee0b..6c4726d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "card-validator",
-  "version": "2.0.0",
+  "version": "2.0.1",
   "description": "A library for validating credit card fields",
   "main": "index.js",
   "repository": {