diff --git a/package-lock.json b/package-lock.json
index d19d401..5a6a89d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -865,10 +865,6 @@
         "tweetnacl": "^0.14.3"
       }
     },
-    "bignumber.js": {
-      "version": "git+https://github.com/frozeman/bignumber.js-nolookahead.git#57692b3ecfc98bbdd6b3a516cb2353652ea49934",
-      "from": "git+https://github.com/frozeman/bignumber.js-nolookahead.git"
-    },
     "binary-extensions": {
       "version": "1.11.0",
       "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-1.11.0.tgz",
@@ -2102,6 +2098,16 @@
       "requires": {
         "ethereumjs-abi": "git+https://github.com/ethereumjs/ethereumjs-abi.git#00ba8463a7f7a67fcad737ff9c2ebd95643427f7",
         "ethereumjs-util": "^5.1.1"
+      },
+      "dependencies": {
+        "ethereumjs-abi": {
+          "version": "git+https://github.com/ethereumjs/ethereumjs-abi.git#00ba8463a7f7a67fcad737ff9c2ebd95643427f7",
+          "from": "git+https://github.com/ethereumjs/ethereumjs-abi.git",
+          "requires": {
+            "bn.js": "^4.10.0",
+            "ethereumjs-util": "^5.0.0"
+          }
+        }
       }
     },
     "eth-tx-summary": {
@@ -2209,14 +2215,6 @@
       "resolved": "https://registry.npmjs.org/ethereum-common/-/ethereum-common-0.0.18.tgz",
       "integrity": "sha1-L9w1dvIykDNYl26znaeDIT/5Uj8="
     },
-    "ethereumjs-abi": {
-      "version": "git+https://github.com/ethereumjs/ethereumjs-abi.git#00ba8463a7f7a67fcad737ff9c2ebd95643427f7",
-      "from": "git+https://github.com/ethereumjs/ethereumjs-abi.git",
-      "requires": {
-        "bn.js": "^4.10.0",
-        "ethereumjs-util": "^5.0.0"
-      }
-    },
     "ethereumjs-account": {
       "version": "2.0.5",
       "resolved": "https://registry.npmjs.org/ethereumjs-account/-/ethereumjs-account-2.0.5.tgz",
@@ -2429,12 +2427,11 @@
       }
     },
     "event-stream": {
-      "version": "3.3.6",
-      "resolved": "https://registry.npmjs.org/event-stream/-/event-stream-3.3.6.tgz",
-      "integrity": "sha512-dGXNg4F/FgVzlApjzItL+7naHutA3fDqbV/zAZqDDlXTjiMnQmZKu+prImWKszeBM5UQeGvAl3u1wBiKeDh61g==",
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/event-stream/-/event-stream-4.0.0.tgz",
+      "integrity": "sha512-DOB0pW11hF+A572U9vmYbQuLVvzXb2ZQhP14wAhMesOLoWVmWNKZ05niYwgUEEO7Ex+lbPpsqT+pch4O7Ijqmg==",
       "requires": {
         "duplexer": "^0.1.1",
-        "flatmap-stream": "^0.1.0",
         "from": "^0.1.7",
         "map-stream": "0.0.7",
         "pause-stream": "^0.0.11",
@@ -2813,11 +2810,6 @@
         "pinkie-promise": "^2.0.0"
       }
     },
-    "flatmap-stream": {
-      "version": "0.1.0",
-      "resolved": "https://registry.npmjs.org/flatmap-stream/-/flatmap-stream-0.1.0.tgz",
-      "integrity": "sha512-Nlic4ZRYxikqnK5rj3YoxDVKGGtUjcNDUtvQ7XsdGLZmMwdUYnXf10o1zcXtzEZTBgc6GxeRpQxV/Wu3WPIIHA=="
-    },
     "for-each": {
       "version": "0.3.3",
       "resolved": "https://registry.npmjs.org/for-each/-/for-each-0.3.3.tgz",
@@ -2930,7 +2922,8 @@
         },
         "ansi-regex": {
           "version": "2.1.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -2948,11 +2941,13 @@
         },
         "balanced-match": {
           "version": "1.0.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
+          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -2965,15 +2960,18 @@
         },
         "code-point-at": {
           "version": "1.1.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -3076,7 +3074,8 @@
         },
         "inherits": {
           "version": "2.0.3",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -3086,6 +3085,7 @@
         "is-fullwidth-code-point": {
           "version": "1.0.0",
           "bundled": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -3098,17 +3098,20 @@
         "minimatch": {
           "version": "3.0.4",
           "bundled": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
         },
         "minimist": {
           "version": "0.0.8",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.2.4",
           "bundled": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.1",
             "yallist": "^3.0.0"
@@ -3125,6 +3128,7 @@
         "mkdirp": {
           "version": "0.5.1",
           "bundled": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -3197,7 +3201,8 @@
         },
         "number-is-nan": {
           "version": "1.0.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -3207,6 +3212,7 @@
         "once": {
           "version": "1.4.0",
           "bundled": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -3282,7 +3288,8 @@
         },
         "safe-buffer": {
           "version": "5.1.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -3312,6 +3319,7 @@
         "string-width": {
           "version": "1.0.2",
           "bundled": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -3329,6 +3337,7 @@
         "strip-ansi": {
           "version": "3.0.1",
           "bundled": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -3367,11 +3376,13 @@
         },
         "wrappy": {
           "version": "1.0.2",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.2",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         }
       }
     },
@@ -5179,6 +5190,22 @@
       "integrity": "sha1-tCGyQUDWID8e08dplrRCewjowBQ=",
       "requires": {
         "event-stream": "~3.3.0"
+      },
+      "dependencies": {
+        "event-stream": {
+          "version": "3.3.5",
+          "resolved": "https://registry.npmjs.org/event-stream/-/event-stream-3.3.5.tgz",
+          "integrity": "sha512-vyibDcu5JL20Me1fP734QBH/kenBGLZap2n0+XXM7mvuUPzJ20Ydqj1aKcIeMdri1p+PU+4yAKugjN8KCVst+g==",
+          "requires": {
+            "duplexer": "^0.1.1",
+            "from": "^0.1.7",
+            "map-stream": "0.0.7",
+            "pause-stream": "^0.0.11",
+            "split": "^1.0.1",
+            "stream-combiner": "^0.2.2",
+            "through": "^2.3.8"
+          }
+        }
       }
     },
     "pseudomap": {
@@ -6403,6 +6430,10 @@
         "web3": "0.20.6"
       },
       "dependencies": {
+        "bignumber.js": {
+          "version": "git+https://github.com/frozeman/bignumber.js-nolookahead.git#57692b3ecfc98bbdd6b3a516cb2353652ea49934",
+          "from": "git+https://github.com/frozeman/bignumber.js-nolookahead.git"
+        },
         "crypto-js": {
           "version": "3.1.8",
           "resolved": "https://registry.npmjs.org/crypto-js/-/crypto-js-3.1.8.tgz",
@@ -7044,6 +7075,18 @@
         "underscore": "1.8.3",
         "web3-core-helpers": "1.0.0-beta.36",
         "websocket": "git://github.com/frozeman/WebSocket-Node.git#6c72925e3f8aaaea8dc8450f97627e85263999f2"
+      },
+      "dependencies": {
+        "websocket": {
+          "version": "git://github.com/frozeman/WebSocket-Node.git#6c72925e3f8aaaea8dc8450f97627e85263999f2",
+          "from": "git://github.com/frozeman/WebSocket-Node.git#browserifyCompatible",
+          "requires": {
+            "debug": "^2.2.0",
+            "nan": "^2.3.3",
+            "typedarray-to-buffer": "^3.1.2",
+            "yaeti": "^0.0.6"
+          }
+        }
       }
     },
     "web3-shh": {
@@ -7083,16 +7126,6 @@
         }
       }
     },
-    "websocket": {
-      "version": "git://github.com/frozeman/WebSocket-Node.git#6c72925e3f8aaaea8dc8450f97627e85263999f2",
-      "from": "git://github.com/frozeman/WebSocket-Node.git#browserifyCompatible",
-      "requires": {
-        "debug": "^2.2.0",
-        "nan": "^2.3.3",
-        "typedarray-to-buffer": "^3.1.2",
-        "yaeti": "^0.0.6"
-      }
-    },
     "whatwg-fetch": {
       "version": "2.0.4",
       "resolved": "https://registry.npmjs.org/whatwg-fetch/-/whatwg-fetch-2.0.4.tgz",
diff --git a/package.json b/package.json
index dd93773..7ad9741 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
     "crypto": "^1.0.1",
     "ethereumjs-tx": "^1.3.7",
     "ethereumjs-util": "^5.2.0",
-    "event-stream": "^3.3.6",
+    "event-stream": "^4.0.0",
     "koa": "^2.5.3",
     "node-rsa": "^1.0.1",
     "nodemailer": "^4.6.8",