diff --git a/lib/encoding/base58check.js b/lib/encoding/base58check.js
index 68d00d668..56666d595 100644
--- a/lib/encoding/base58check.js
+++ b/lib/encoding/base58check.js
@@ -26,7 +26,7 @@ Base58Check.decode = function(s) {
   if (typeof s !== 'string')
     throw new Error('Input must be a string');
 
-  var buf = base58.decode(s);
+  var buf = new Buffer(base58.decode(s));
 
   if (buf.length < 4)
     throw new Error("Input string too short");
diff --git a/npm-shrinkwrap.json b/npm-shrinkwrap.json
index ebb18f233..b619ac3be 100644
--- a/npm-shrinkwrap.json
+++ b/npm-shrinkwrap.json
@@ -1,6 +1,6 @@
 {
-  "name": "bitcore2",
-  "version": "0.0.0",
+  "name": "bitcore",
+  "version": "0.8.0",
   "dependencies": {
     "aes": {
       "version": "0.1.0",
@@ -8,14 +8,14 @@
       "resolved": "https://registry.npmjs.org/aes/-/aes-0.1.0.tgz"
     },
     "bn.js": {
-      "version": "0.15.0",
-      "from": "bn.js@0.15.0",
-      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-0.15.0.tgz"
+      "version": "0.15.2",
+      "from": "bn.js@0.15.2",
+      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-0.15.2.tgz"
     },
     "bs58": {
-      "version": "1.2.1",
-      "from": "bs58@=1.2.1",
-      "resolved": "https://registry.npmjs.org/bs58/-/bs58-1.2.1.tgz"
+      "version": "2.0.0",
+      "from": "bs58@2.0.0",
+      "resolved": "https://registry.npmjs.org/bs58/-/bs58-2.0.0.tgz"
     },
     "elliptic": {
       "version": "0.15.12",
@@ -23,9 +23,9 @@
       "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-0.15.12.tgz",
       "dependencies": {
         "bn.js": {
-          "version": "0.15.0",
-          "from": "bn.js@0.15.0",
-          "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-0.15.0.tgz"
+          "version": "0.15.2",
+          "from": "bn.js@0.15.2",
+          "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-0.15.2.tgz"
         },
         "hash.js": {
           "version": "0.3.2",
diff --git a/package.json b/package.json
index 639174ca5..2085ec451 100644
--- a/package.json
+++ b/package.json
@@ -64,20 +64,20 @@
     "url": "https://github.com/bitpay/bitcore.git"
   },
   "dependencies": {
-    "bn.js": "=0.15.0",
-    "bs58": "=1.2.1",
-    "elliptic": "=0.15.12",
+    "bn.js": "=0.15.2",
+    "bs58": "=2.0.0",
+    "elliptic": "=0.15.14",
     "hash.js": "=0.3.2",
     "sha512": "=0.0.1"
   },
   "devDependencies": {
-    "browserify": "~5.9.1",
-    "chai": "~1.9.1",
+    "browserify": "~6.3.3",
+    "chai": "~1.10.0",
     "grunt": "^0.4.5",
     "grunt-contrib-watch": "^0.6.1",
     "grunt-markdown": "^0.6.1",
     "grunt-shell": "^1.1.1",
-    "mocha": "~1.21.0"
+    "mocha": "~2.0.1"
   },
   "license": "MIT"
 }