diff --git a/package-lock.json b/package-lock.json
index e6acfa8..5f1231f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3842,6 +3842,14 @@
         "safe-buffer": "^5.1.1"
       },
       "dependencies": {
+        "async-eventemitter": {
+          "version": "0.2.4",
+          "resolved": "https://registry.npmjs.org/async-eventemitter/-/async-eventemitter-0.2.4.tgz",
+          "integrity": "sha512-pd20BwL7Yt1zwDFy+8MX8F1+WCT8aQeKj0kQnTrH9WaeRETlRamVhD0JtRPmrV4GfOJ2F9CvdQkZeZhnh2TuHw==",
+          "requires": {
+            "async": "^2.4.0"
+          }
+        },
         "ethereumjs-block": {
           "version": "2.2.0",
           "resolved": "https://registry.npmjs.org/ethereumjs-block/-/ethereumjs-block-2.2.0.tgz",
@@ -6138,9 +6146,9 @@
       }
     },
     "lodash": {
-      "version": "4.17.4",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.4.tgz",
-      "integrity": "sha1-eCA6TRwyiuHYbcpkYONptX9AVa4="
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
     },
     "lodash.assign": {
       "version": "4.2.0",
diff --git a/package.json b/package.json
index 76ff0de..a061990 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "ethereumjs-wallet": "0.6.0",
     "ethjs-ens": "^2.0.1",
     "express": "^4.16.4",
-    "lodash": "4.17.4",
+    "lodash": "4.17.21",
     "mariadb": "^2.0.3",
     "morgan": "^1.9.1",
     "mysql2": "^1.6.5",