diff --git a/package-lock.json b/package-lock.json
index ce41417..3b814fd 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "block-explorer",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -512,6 +512,11 @@
       "resolved": "https://registry.npmjs.org/core-js/-/core-js-2.6.12.tgz",
       "integrity": "sha512-Kb2wC0fvsWfQrgk8HU5lW6U/Lcs8+9aaYcy4ZFc6DDlo4nZ7n70dEgE5rtR0oG6ufKDUnrwfWL1mXR5ljDatrQ=="
     },
+    "core-util-is": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
+      "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac="
+    },
     "cross-spawn": {
       "version": "6.0.5",
       "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-6.0.5.tgz",
@@ -539,9 +544,9 @@
       "integrity": "sha512-VxBKmeNcqQdiUQUW2Tzq0t377b54N2bMtXO/qiLa+6eRRmmC4qT3D4OnTGoT/U6O9aklQ/jTwbOtRMTTY8G0Ig=="
     },
     "crypto-js": {
-      "version": "3.3.0",
-      "resolved": "https://registry.npmjs.org/crypto-js/-/crypto-js-3.3.0.tgz",
-      "integrity": "sha512-DIT51nX0dCfKltpRiXV+/TVZq+Qq2NgF4644+K7Ttnla7zEzqc+kjJyiB96BHNyUTBxyjzRcZYpUdZa+QAqi6Q=="
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/crypto-js/-/crypto-js-4.0.0.tgz",
+      "integrity": "sha512-bzHZN8Pn+gS7DQA6n+iUmBfl0hO5DJq++QP3U6uTucDtk/0iGpXd/Gg7CGR0p8tJhofJyaKoWBuJI4eAO00BBg=="
     },
     "debug": {
       "version": "3.1.0",
@@ -2252,6 +2257,37 @@
           "requires": {
             "inherits": "~2.0.1",
             "readable-stream": "^2.0.2"
+          },
+          "dependencies": {
+            "readable-stream": {
+              "version": "2.3.7",
+              "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.7.tgz",
+              "integrity": "sha512-Ebho8K4jIbHAxnuxi7o42OrZgF/ZTNcsZj6nRKyUmkhLFq8CHItp/fy6hQZuZmP/n3yZ9VBUbp4zz/mX8hmYPw==",
+              "requires": {
+                "core-util-is": "~1.0.0",
+                "inherits": "~2.0.3",
+                "isarray": "~1.0.0",
+                "process-nextick-args": "~2.0.0",
+                "safe-buffer": "~5.1.1",
+                "string_decoder": "~1.1.1",
+                "util-deprecate": "~1.0.1"
+              },
+              "dependencies": {
+                "inherits": {
+                  "version": "2.0.4",
+                  "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
+                  "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ=="
+                }
+              }
+            },
+            "string_decoder": {
+              "version": "1.1.1",
+              "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+              "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
+              "requires": {
+                "safe-buffer": "~5.1.0"
+              }
+            }
           }
         },
         "stream-http": {
@@ -2264,6 +2300,37 @@
             "readable-stream": "^2.3.3",
             "to-arraybuffer": "^1.0.0",
             "xtend": "^4.0.0"
+          },
+          "dependencies": {
+            "readable-stream": {
+              "version": "2.3.7",
+              "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.7.tgz",
+              "integrity": "sha512-Ebho8K4jIbHAxnuxi7o42OrZgF/ZTNcsZj6nRKyUmkhLFq8CHItp/fy6hQZuZmP/n3yZ9VBUbp4zz/mX8hmYPw==",
+              "requires": {
+                "core-util-is": "~1.0.0",
+                "inherits": "~2.0.3",
+                "isarray": "~1.0.0",
+                "process-nextick-args": "~2.0.0",
+                "safe-buffer": "~5.1.1",
+                "string_decoder": "~1.1.1",
+                "util-deprecate": "~1.0.1"
+              },
+              "dependencies": {
+                "inherits": {
+                  "version": "2.0.4",
+                  "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
+                  "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ=="
+                }
+              }
+            },
+            "string_decoder": {
+              "version": "1.1.1",
+              "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+              "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
+              "requires": {
+                "safe-buffer": "~5.1.0"
+              }
+            }
           }
         },
         "string_decoder": {
diff --git a/package.json b/package.json
index f5b027a..daa7e1b 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
     "bech32": "^1.1.3",
     "bignumber.js": "^9.0.0",
     "crypto": "^1.0.1",
-    "crypto-js": "^3.2.1",
+    "crypto-js": "^4.0.0",
     "elliptic": "^6.5.4",
     "es5-shim": "^4.5.12",
     "fomantic-ui-css": "^2.8.7",