diff --git a/.nvmrc b/.nvmrc
index 41c421777..08df4d99f 100644
--- a/.nvmrc
+++ b/.nvmrc
@@ -1 +1 @@
-v8.11.3
+v8.11.4
diff --git a/package-lock.json b/package-lock.json
index 77ce562eb..14876be9f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1910,9 +1910,9 @@
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-            "resolved": "https://registry.npmjs.org/adm-zip/-/adm-zip-0.4.7.tgz",
-            "integrity": "sha1-hgbCy/HEJs6MjsABdER/1Jtur8E=",
+            "version": "0.4.11",
+            "resolved": "https://registry.npmjs.org/adm-zip/-/adm-zip-0.4.11.tgz",
+            "integrity": "sha512-L8vcjDTCOIJk7wFvmlEUN7AsSb8T+2JrdP7KINBjzr24TJ5Mwj590sLu3BC7zNZowvJWa/JtPmD8eJCzdtDWjA==",
             "dev": true
         },
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@@ -4273,6 +4273,7 @@
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             "resolved": "https://registry.npmjs.org/boom/-/boom-2.10.1.tgz",
             "integrity": "sha1-OciRjO/1eZ+D+UkqhI9iWt0Mdm8=",
+            "dev": true,
             "requires": {
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             },
@@ -4280,7 +4281,8 @@
                 "hoek": {
                     "version": "2.16.3",
                     "resolved": "https://registry.npmjs.org/hoek/-/hoek-2.16.3.tgz",
-                    "integrity": "sha1-ILt0A9POo5jpHcRxCo/xuCdKJe0="
+                    "integrity": "sha1-ILt0A9POo5jpHcRxCo/xuCdKJe0=",
+                    "dev": true
                 }
             }
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@@ -6210,6 +6212,8 @@
             "version": "2.0.5",
             "resolved": "https://registry.npmjs.org/cryptiles/-/cryptiles-2.0.5.tgz",
             "integrity": "sha1-O9/s3GCBR8HGcgL6KR59ylnqo7g=",
+            "dev": true,
+            "optional": true,
             "requires": {
                 "boom": "2.x.x"
             }
@@ -12042,29 +12046,6 @@
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                     }
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-                    "resolved": "https://registry.npmjs.org/bl/-/bl-0.8.2.tgz",
-                    "integrity": "sha1-yba8oI0bwuoA/Ir7Txpf0eHGbk4=",
-                    "dev": true,
-                    "requires": {
-                        "readable-stream": "~1.0.26"
-                    },
-                    "dependencies": {
-                        "readable-stream": {
-                            "version": "1.0.34",
-                            "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
-                            "integrity": "sha1-Elgg40vIQtLyqq+v5MKRbuMsFXw=",
-                            "dev": true,
-                            "requires": {
-                                "core-util-is": "~1.0.0",
-                                "inherits": "~2.0.1",
-                                "isarray": "0.0.1",
-                                "string_decoder": "~0.10.x"
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-                    }
-                },
                 "bn.js": {
                     "version": "4.11.6",
                     "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.6.tgz",
@@ -12099,32 +12080,6 @@
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-                    "resolved": "https://registry.npmjs.org/deferred-leveldown/-/deferred-leveldown-0.2.0.tgz",
-                    "integrity": "sha1-LO8fER4cV4cNi7uK8mUOWHzS9bQ=",
-                    "dev": true,
-                    "requires": {
-                        "abstract-leveldown": "~0.12.1"
-                    },
-                    "dependencies": {
-                        "abstract-leveldown": {
-                            "version": "0.12.4",
-                            "resolved": "https://registry.npmjs.org/abstract-leveldown/-/abstract-leveldown-0.12.4.tgz",
-                            "integrity": "sha1-KeGOYy5g5OIh1YECR4UqY9ey5BA=",
-                            "dev": true,
-                            "requires": {
-                                "xtend": "~3.0.0"
-                            }
-                        },
-                        "xtend": {
-                            "version": "3.0.0",
-                            "resolved": "https://registry.npmjs.org/xtend/-/xtend-3.0.0.tgz",
-                            "integrity": "sha1-XM50B7r2Qsunvs2laBEcST9ZZlo=",
-                            "dev": true
-                        }
-                    }
-                },
                 "eth-block-tracker": {
                     "version": "3.0.1",
                     "resolved": "https://registry.npmjs.org/eth-block-tracker/-/eth-block-tracker-3.0.1.tgz",
@@ -12353,89 +12308,12 @@
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-                    "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
-                    "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=",
-                    "dev": true
-                },
-                "level-sublevel": {
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-                    "resolved": "https://registry.npmjs.org/level-sublevel/-/level-sublevel-6.6.2.tgz",
-                    "integrity": "sha512-+hptqmFYPKFju9QG4F6scvx3ZXkhrSmmhYui+hPzRn/jiC3DJ6VNZRKsIhGMpeajVBWfRV7XiysUThrJ/7PgXQ==",
-                    "dev": true,
-                    "requires": {
-                        "bytewise": "~1.1.0",
-                        "levelup": "~0.19.0",
-                        "ltgt": "~2.1.1",
-                        "pull-defer": "^0.2.2",
-                        "pull-level": "^2.0.3",
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-                        "typewiselite": "~1.0.0",
-                        "xtend": "~4.0.0"
-                    },
-                    "dependencies": {
-                        "levelup": {
-                            "version": "0.19.1",
-                            "resolved": "https://registry.npmjs.org/levelup/-/levelup-0.19.1.tgz",
-                            "integrity": "sha1-86anIFJyxLXzXkEv8ASgOgrt9Qs=",
-                            "dev": true,
-                            "requires": {
-                                "bl": "~0.8.1",
-                                "deferred-leveldown": "~0.2.0",
-                                "errno": "~0.1.1",
-                                "prr": "~0.0.0",
-                                "readable-stream": "~1.0.26",
-                                "semver": "~5.1.0",
-                                "xtend": "~3.0.0"
-                            },
-                            "dependencies": {
-                                "xtend": {
-                                    "version": "3.0.0",
-                                    "resolved": "https://registry.npmjs.org/xtend/-/xtend-3.0.0.tgz",
-                                    "integrity": "sha1-XM50B7r2Qsunvs2laBEcST9ZZlo=",
-                                    "dev": true
-                                }
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-                        },
-                        "readable-stream": {
-                            "version": "1.0.34",
-                            "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
-                            "integrity": "sha1-Elgg40vIQtLyqq+v5MKRbuMsFXw=",
-                            "dev": true,
-                            "requires": {
-                                "core-util-is": "~1.0.0",
-                                "inherits": "~2.0.1",
-                                "isarray": "0.0.1",
-                                "string_decoder": "~0.10.x"
-                            }
-                        },
-                        "semver": {
-                            "version": "5.1.1",
-                            "resolved": "https://registry.npmjs.org/semver/-/semver-5.1.1.tgz",
-                            "integrity": "sha1-oykqNz5vPgeY2gsgZBuanFvEfhk=",
-                            "dev": true
-                        }
-                    }
-                },
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-                    "resolved": "https://registry.npmjs.org/ltgt/-/ltgt-2.1.3.tgz",
-                    "integrity": "sha1-EIUaBtmWS5cReEQcI8nlJpjuzjQ=",
-                    "dev": true
-                },
                 "node-fetch": {
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                     "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.1.2.tgz",
                     "integrity": "sha1-q4hOjn5X44qUR1POxwb3iNF2i7U=",
                     "dev": true
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-                "prr": {
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-                    "resolved": "https://registry.npmjs.org/prr/-/prr-0.0.0.tgz",
-                    "integrity": "sha1-GoS4WQgyVQFBGFPQCB7j+obikmo=",
-                    "dev": true
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                 "solc": {
                     "version": "0.4.24",
                     "resolved": "https://registry.npmjs.org/solc/-/solc-0.4.24.tgz",
@@ -12473,12 +12351,6 @@
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-                    "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
-                    "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=",
-                    "dev": true
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                     "resolved": "https://registry.npmjs.org/tmp/-/tmp-0.0.31.tgz",
@@ -12653,14 +12525,15 @@
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-            "version": "1.11.0",
-            "resolved": "https://registry.npmjs.org/geckodriver/-/geckodriver-1.11.0.tgz",
-            "integrity": "sha1-KFPM1PQg00fGFULa7teCyHpxhoc=",
+            "version": "1.12.2",
+            "resolved": "https://registry.npmjs.org/geckodriver/-/geckodriver-1.12.2.tgz",
+            "integrity": "sha512-nhTroSDoAjbws1GAALCBFGWcjUI7Uy5nLKJFKmOfOmVGCyn7TazdIYQJFpnre/vtKcieKwXOC8RqBD48g0a/4A==",
             "dev": true,
             "requires": {
-                "adm-zip": "0.4.7",
+                "adm-zip": "0.4.11",
                 "bluebird": "3.4.6",
                 "got": "5.6.0",
+                "https-proxy-agent": "2.2.1",
                 "tar": "4.0.2"
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@@ -12748,12 +12621,16 @@
         "generate-function": {
             "version": "2.0.0",
             "resolved": "https://registry.npmjs.org/generate-function/-/generate-function-2.0.0.tgz",
-            "integrity": "sha1-aFj+fAlpt9TpCTM3ZHrHn2DfvnQ="
+            "integrity": "sha1-aFj+fAlpt9TpCTM3ZHrHn2DfvnQ=",
+            "dev": true,
+            "optional": true
         },
         "generate-object-property": {
             "version": "1.2.0",
             "resolved": "https://registry.npmjs.org/generate-object-property/-/generate-object-property-1.2.0.tgz",
             "integrity": "sha1-nA4cQDCM6AT0eDYYuTf6iPmdUNA=",
+            "dev": true,
+            "optional": true,
             "requires": {
                 "is-property": "^1.0.0"
             }
@@ -13738,21 +13615,6 @@
                     "resolved": "https://registry.npmjs.org/arr-diff/-/arr-diff-4.0.0.tgz",
                     "integrity": "sha1-1kYQdP6/7HHn4VI1dhoyml3HxSA="
                 },
-                "assert-plus": {
-                    "version": "0.2.0",
-                    "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-0.2.0.tgz",
-                    "integrity": "sha1-104bh+ev/A24qttwIfP+SBAasjQ="
-                },
-                "aws-sign2": {
-                    "version": "0.6.0",
-                    "resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.6.0.tgz",
-                    "integrity": "sha1-FDQt0428yU0OW4fXY81jYSwOeU8="
-                },
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-                    "version": "0.11.0",
-                    "resolved": "https://registry.npmjs.org/caseless/-/caseless-0.11.0.tgz",
-                    "integrity": "sha1-cVuW6phBWTzDMGeSP17GDr2k99c="
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                     "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.3.2.tgz",
@@ -13781,79 +13643,16 @@
                         "is-extendable": "^1.0.1"
                     }
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-                    "resolved": "https://registry.npmjs.org/form-data/-/form-data-2.1.4.tgz",
-                    "integrity": "sha1-M8GDrPGTJ27KqYFDpp6Uv+4XUNE=",
-                    "requires": {
-                        "asynckit": "^0.4.0",
-                        "combined-stream": "^1.0.5",
-                        "mime-types": "^2.1.12"
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                     "version": "4.0.1",
                     "resolved": "https://registry.npmjs.org/get-stdin/-/get-stdin-4.0.1.tgz",
                     "integrity": "sha1-uWjGsKBDhDJJAui/Gl3zJXmkUP4="
                 },
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-                    "resolved": "https://registry.npmjs.org/har-validator/-/har-validator-2.0.6.tgz",
-                    "integrity": "sha1-zcvAgYgmWtEZtqWnyKtw7s+10n0=",
-                    "requires": {
-                        "chalk": "^1.1.1",
-                        "commander": "^2.9.0",
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-                        "pinkie-promise": "^2.0.0"
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-                    "dependencies": {
-                        "ansi-styles": {
-                            "version": "2.2.1",
-                            "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-2.2.1.tgz",
-                            "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4="
-                        },
-                        "chalk": {
-                            "version": "1.1.3",
-                            "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
-                            "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
-                            "requires": {
-                                "ansi-styles": "^2.2.1",
-                                "escape-string-regexp": "^1.0.2",
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-                        "strip-ansi": {
-                            "version": "3.0.1",
-                            "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
-                            "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
-                            "requires": {
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-                        "supports-color": {
-                            "version": "2.0.0",
-                            "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
-                            "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc="
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                     "integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0="
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-                        "assert-plus": "^0.2.0",
-                        "jsprim": "^1.2.2",
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@@ -13868,9 +13667,9 @@
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                 "node-sass": {
-                    "version": "4.9.0",
-                    "resolved": "https://registry.npmjs.org/node-sass/-/node-sass-4.9.0.tgz",
-                    "integrity": "sha512-QFHfrZl6lqRU3csypwviz2XLgGNOoWQbo2GOvtsfQqOfL4cy1BtWnhx/XUeAO9LT3ahBzSRXcEO6DdvAH9DzSg==",
+                    "version": "4.9.3",
+                    "resolved": "https://registry.npmjs.org/node-sass/-/node-sass-4.9.3.tgz",
+                    "integrity": "sha512-XzXyGjO+84wxyH7fV6IwBOTrEBe2f0a6SBze9QWWYR/cL74AcQUks2AsqcCZenl/Fp/JVbuEaLpgrLtocwBUww==",
                     "requires": {
                         "async-foreach": "^0.1.3",
                         "chalk": "^1.1.1",
@@ -13885,9 +13684,9 @@
                         "meow": "^3.7.0",
                         "mkdirp": "^0.5.1",
                         "nan": "^2.10.0",
-                        "node-gyp": "^3.3.1",
+                        "node-gyp": "^3.8.0",
                         "npmlog": "^4.0.0",
-                        "request": "~2.79.0",
+                        "request": "2.87.0",
                         "sass-graph": "^2.2.4",
                         "stdout-stream": "^1.4.0",
                         "true-case-path": "^1.0.2"
@@ -13910,31 +13709,23 @@
                                 "supports-color": "^2.0.0"
                             }
                         },
-                        "request": {
-                            "version": "2.79.0",
-                            "resolved": "https://registry.npmjs.org/request/-/request-2.79.0.tgz",
-                            "integrity": "sha1-Tf5b9r6LjNw3/Pk+BLZVd3InEN4=",
+                        "node-gyp": {
+                            "version": "3.8.0",
+                            "resolved": "https://registry.npmjs.org/node-gyp/-/node-gyp-3.8.0.tgz",
+                            "integrity": "sha512-3g8lYefrRRzvGeSowdJKAKyks8oUpLEd/DyPV4eMhVlhJ0aNaZqIrNUIPuEWWTAoPqyFkfGrM67MC69baqn6vA==",
                             "requires": {
-                                "aws-sign2": "~0.6.0",
-                                "aws4": "^1.2.1",
-                                "caseless": "~0.11.0",
-                                "combined-stream": "~1.0.5",
-                                "extend": "~3.0.0",
-                                "forever-agent": "~0.6.1",
-                                "form-data": "~2.1.1",
-                                "har-validator": "~2.0.6",
-                                "hawk": "~3.1.3",
-                                "http-signature": "~1.1.0",
-                                "is-typedarray": "~1.0.0",
-                                "isstream": "~0.1.2",
-                                "json-stringify-safe": "~5.0.1",
-                                "mime-types": "~2.1.7",
-                                "oauth-sign": "~0.8.1",
-                                "qs": "~6.3.0",
-                                "stringstream": "~0.0.4",
-                                "tough-cookie": "~2.3.0",
-                                "tunnel-agent": "~0.4.1",
-                                "uuid": "^3.0.0"
+                                "fstream": "^1.0.0",
+                                "glob": "^7.0.3",
+                                "graceful-fs": "^4.1.2",
+                                "mkdirp": "^0.5.0",
+                                "nopt": "2 || 3",
+                                "npmlog": "0 || 1 || 2 || 3 || 4",
+                                "osenv": "0",
+                                "request": "^2.87.0",
+                                "rimraf": "2",
+                                "semver": "~5.3.0",
+                                "tar": "^2.0.0",
+                                "which": "1"
                             }
                         },
                         "strip-ansi": {
@@ -13963,10 +13754,10 @@
                         "extend-shallow": "^3.0.2"
                     }
                 },
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-                    "resolved": "https://registry.npmjs.org/qs/-/qs-6.3.2.tgz",
-                    "integrity": "sha1-51vV9uJoEioqDgvaYwslUMFmUCw="
+                "semver": {
+                    "version": "5.3.0",
+                    "resolved": "https://registry.npmjs.org/semver/-/semver-5.3.0.tgz",
+                    "integrity": "sha1-myzl094C0XxgEq0yaqa00M9U+U8="
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                     "version": "4.0.0",
@@ -13990,16 +13781,6 @@
                     "requires": {
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-                    "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.4.3.tgz",
-                    "integrity": "sha1-Y3PbdpCf5XDgjXNYM2Xtgop07us="
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-                    "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.3.2.tgz",
-                    "integrity": "sha512-yXJmeNaw3DnnKAOKJE51sL/ZaYfWJRl1pK9dr19YFCu0ObS231AB1/LbqTKRAQ5kw8A90rA6fr4riOUpTZvQZA=="
                 }
             }
         },
@@ -14972,6 +14753,17 @@
                 "minimalistic-assert": "^1.0.0"
             }
         },
+        "hasha": {
+            "version": "2.2.0",
+            "resolved": "https://registry.npmjs.org/hasha/-/hasha-2.2.0.tgz",
+            "integrity": "sha1-eNfL/B5tZjA/55g3NlmEUXsvbuE=",
+            "dev": true,
+            "optional": true,
+            "requires": {
+                "is-stream": "^1.0.1",
+                "pinkie-promise": "^2.0.0"
+            }
+        },
         "hat": {
             "version": "0.0.3",
             "resolved": "https://registry.npmjs.org/hat/-/hat-0.0.3.tgz",
@@ -14981,6 +14773,8 @@
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             "resolved": "https://registry.npmjs.org/hawk/-/hawk-3.1.3.tgz",
             "integrity": "sha1-B4REvXwWQLD+VA0sm3PVlnjo4cQ=",
+            "dev": true,
+            "optional": true,
             "requires": {
                 "boom": "2.x.x",
                 "cryptiles": "2.x.x",
@@ -14991,7 +14785,9 @@
                 "hoek": {
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                     "resolved": "https://registry.npmjs.org/hoek/-/hoek-2.16.3.tgz",
-                    "integrity": "sha1-ILt0A9POo5jpHcRxCo/xuCdKJe0="
+                    "integrity": "sha1-ILt0A9POo5jpHcRxCo/xuCdKJe0=",
+                    "dev": true,
+                    "optional": true
                 }
             }
         },
@@ -16288,12 +16084,16 @@
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@@ -18374,6 +18175,124 @@
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+                        "errno": "~0.1.1",
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+                    "integrity": "sha1-Elgg40vIQtLyqq+v5MKRbuMsFXw=",
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@@ -20908,6 +20827,7 @@
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             "integrity": "sha1-m/vlRWIoYoSDjnUOrAUpWFP6HGA=",
+            "dev": true,
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@@ -20927,7 +20847,8 @@
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-                    "integrity": "sha1-myzl094C0XxgEq0yaqa00M9U+U8="
+                    "integrity": "sha1-myzl094C0XxgEq0yaqa00M9U+U8=",
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@@ -23549,6 +23470,98 @@
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             "integrity": "sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns="
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+            "resolved": "https://registry.npmjs.org/phantom/-/phantom-4.0.12.tgz",
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+            "dev": true,
+            "optional": true,
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+                "winston": "^2.4.0"
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+                    "integrity": "sha1-+PwEyjoTeErenhZBr5hXjPvWR6k=",
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+                    "integrity": "sha1-BDP0TYCWgP3rYO0mDxsMJi6CpAs=",
+                    "dev": true,
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+                    "dev": true,
+                    "optional": true,
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+                    "resolved": "https://registry.npmjs.org/winston/-/winston-2.4.3.tgz",
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+                        "colors": "1.0.x",
+                        "cycle": "1.0.x",
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+            "resolved": "https://registry.npmjs.org/phantomjs-prebuilt/-/phantomjs-prebuilt-2.1.16.tgz",
+            "integrity": "sha1-79ISpKOWbTZHaE6ouniFSb4q7+8=",
+            "dev": true,
+            "optional": true,
+            "requires": {
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+                "extract-zip": "^1.6.5",
+                "fs-extra": "^1.0.0",
+                "hasha": "^2.2.0",
+                "kew": "^0.7.0",
+                "progress": "^1.1.8",
+                "request": "^2.81.0",
+                "request-progress": "^2.0.1",
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+                    "integrity": "sha1-zTzl9+fLYUWIP8rjGR6Yd/hYeVA=",
+                    "dev": true,
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+                        "jsonfile": "^2.1.0",
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             "resolved": "https://registry.npmjs.org/pify/-/pify-3.0.0.tgz",
@@ -27158,6 +27171,16 @@
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+            "resolved": "https://registry.npmjs.org/request-progress/-/request-progress-2.0.1.tgz",
+            "integrity": "sha1-XTa7V5YcZzqlt4jbyBQf3yO0Tgg=",
+            "dev": true,
+            "optional": true,
+            "requires": {
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+            }
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             "resolved": "https://registry.npmjs.org/request-promise/-/request-promise-4.2.2.tgz",
@@ -28492,6 +28515,8 @@
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             "integrity": "sha1-ZUEYTMkK7qbG57NeJlkIJEPGYZg=",
+            "dev": true,
+            "optional": true,
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@@ -28499,7 +28524,9 @@
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-                    "integrity": "sha1-ILt0A9POo5jpHcRxCo/xuCdKJe0="
+                    "integrity": "sha1-ILt0A9POo5jpHcRxCo/xuCdKJe0=",
+                    "dev": true,
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@@ -29265,7 +29292,9 @@
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+            "integrity": "sha512-87GEBAkegbBcweToUrdzf3eLhWNg06FJTebl4BVJz/JgWy8CvEr9dRtX5qWphiynMSQlxxi+QqN0z5T32SLlhA==",
+            "dev": true,
+            "optional": true
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             "version": "3.0.1",
@@ -30555,6 +30584,13 @@
                 "thenify": ">= 3.1.0 < 4"
             }
         },
+        "throttleit": {
+            "version": "1.0.0",
+            "resolved": "https://registry.npmjs.org/throttleit/-/throttleit-1.0.0.tgz",
+            "integrity": "sha1-nnhYNtr0Z0MUWlmEtiaNgoUorGw=",
+            "dev": true,
+            "optional": true
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             "resolved": "https://registry.npmjs.org/through/-/through-2.3.8.tgz",
@@ -31293,6 +31329,12 @@
                 "xtend": "^4.0.1"
             }
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+        "unicode-5.2.0": {
+            "version": "0.7.5",
+            "resolved": "https://registry.npmjs.org/unicode-5.2.0/-/unicode-5.2.0-0.7.5.tgz",
+            "integrity": "sha512-KVGLW1Bri30x00yv4HNM8kBxoqFXr0Sbo55735nvrlsx4PYBZol3UtoWgO492fSwmsetzPEZzy73rbU8OGXJcA==",
+            "dev": true
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             "resolved": "https://registry.npmjs.org/unified/-/unified-6.1.6.tgz",
diff --git a/package.json b/package.json
index 04fcfab99..6f412b30c 100644
--- a/package.json
+++ b/package.json
@@ -250,7 +250,7 @@
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     "ganache-cli": "^6.1.0",
     "ganache-core": "^2.1.5",
-    "geckodriver": "^1.11.0",
+    "geckodriver": "^1.12.2",
     "gh-pages": "^1.2.0",
     "gifencoder": "^1.1.0",
     "gulp": "github:gulpjs/gulp#6d71a658c61edb3090221579d8f97dbe086ba2ed",
@@ -318,7 +318,7 @@
     "watchify": "^3.11.0"
   },
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-    "node": "8.11.3",
+    "node": "8.11.4",
     "npm": "^6.1.0"
   }
 }