diff --git a/package-lock.json b/package-lock.json
index b23cdae..8eaac08 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2967,9 +2967,9 @@
       }
     },
     "dotenv": {
-      "version": "6.2.0",
-      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-6.2.0.tgz",
-      "integrity": "sha512-HygQCKUBSFl8wKQZBSemMywRWcEDNidvNbjGVyZu3nbZ8qq9ubiPoGLMdRDpfSrpkkm9BXYFkpKxxFX38o/76w=="
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-7.0.0.tgz",
+      "integrity": "sha512-M3NhsLbV1i6HuGzBUH8vXrtxOk+tWmzWKDMbAVSUp3Zsjm7ywFeuwrUXhmhQyRK1q5B5GGy7hcXPbj3bnfZg2g=="
     },
     "dotenv-expand": {
       "version": "4.2.0",
@@ -3658,6 +3658,16 @@
       "requires": {
         "ethereumjs-abi": "git+https://github.com/ethereumjs/ethereumjs-abi.git#2863c40e0982acfc0b7163f0285d4c56427c7799",
         "ethereumjs-util": "^5.1.1"
+      },
+      "dependencies": {
+        "ethereumjs-abi": {
+          "version": "git+https://github.com/ethereumjs/ethereumjs-abi.git#2863c40e0982acfc0b7163f0285d4c56427c7799",
+          "from": "git+https://github.com/ethereumjs/ethereumjs-abi.git#2863c40e0982acfc0b7163f0285d4c56427c7799",
+          "requires": {
+            "bn.js": "^4.10.0",
+            "ethereumjs-util": "^5.0.0"
+          }
+        }
       }
     },
     "eth-tx-summary": {
@@ -3770,14 +3780,6 @@
       "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#2863c40e0982acfc0b7163f0285d4c56427c7799",
-      "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",
@@ -4657,11 +4659,13 @@
         },
         "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"
@@ -4674,15 +4678,18 @@
         },
         "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",
@@ -4785,7 +4792,8 @@
         },
         "inherits": {
           "version": "2.0.3",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -4795,6 +4803,7 @@
         "is-fullwidth-code-point": {
           "version": "1.0.0",
           "bundled": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -4807,17 +4816,20 @@
         "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"
@@ -4834,6 +4846,7 @@
         "mkdirp": {
           "version": "0.5.1",
           "bundled": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -4906,7 +4919,8 @@
         },
         "number-is-nan": {
           "version": "1.0.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -4916,6 +4930,7 @@
         "once": {
           "version": "1.4.0",
           "bundled": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -5021,6 +5036,7 @@
         "string-width": {
           "version": "1.0.2",
           "bundled": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -7723,6 +7739,10 @@
           "version": "1.0.0",
           "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-1.0.0.tgz",
           "integrity": "sha1-cT2LgY2kIGh0C/aDhtBHnmb8ins="
+        },
+        "webcrypto-shim": {
+          "version": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8",
+          "from": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8"
         }
       }
     },
@@ -9474,6 +9494,10 @@
           "version": "1.0.0",
           "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-1.0.0.tgz",
           "integrity": "sha1-cT2LgY2kIGh0C/aDhtBHnmb8ins="
+        },
+        "webcrypto-shim": {
+          "version": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8",
+          "from": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8"
         }
       }
     },
@@ -12925,6 +12949,12 @@
             "utf8": "^2.1.1",
             "xhr2": "*",
             "xmlhttprequest": "*"
+          },
+          "dependencies": {
+            "bignumber.js": {
+              "version": "git+https://github.com/frozeman/bignumber.js-nolookahead.git#57692b3ecfc98bbdd6b3a516cb2353652ea49934",
+              "from": "git+https://github.com/frozeman/bignumber.js-nolookahead.git#57692b3ecfc98bbdd6b3a516cb2353652ea49934"
+            }
           }
         }
       }
@@ -13580,7 +13610,7 @@
       "dependencies": {
         "bignumber.js": {
           "version": "git+https://github.com/frozeman/bignumber.js-nolookahead.git#57692b3ecfc98bbdd6b3a516cb2353652ea49934",
-          "from": "git+https://github.com/frozeman/bignumber.js-nolookahead.git"
+          "from": "git+https://github.com/frozeman/bignumber.js-nolookahead.git#57692b3ecfc98bbdd6b3a516cb2353652ea49934"
         }
       }
     },
@@ -13611,10 +13641,6 @@
         "xtend": "^4.0.1"
       }
     },
-    "webcrypto-shim": {
-      "version": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8",
-      "from": "github:dignifiedquire/webcrypto-shim#master"
-    },
     "webidl-conversions": {
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-4.0.2.tgz",
diff --git a/package.json b/package.json
index b17aa71..fe536bf 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "cross-fetch": "^2.1.0",
     "css-loader": "1.0.0",
     "disqus-react": "^1.0.5",
-    "dotenv": "^6.0.0",
+    "dotenv": "^7.0.0",
     "dotenv-expand": "4.2.0",
     "download.js": "^1.0.0",
     "eslint": "5.0.0",