diff --git a/package-lock.json b/package-lock.json
index 77d600d..2fd7c83 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -89,9 +89,9 @@
       "integrity": "sha1-lm5T45D4DIsssZUBDaf2TcLc43w="
     },
     "lodash": {
-      "version": "1.3.1",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-1.3.1.tgz",
-      "integrity": "sha1-pGY7U2hriV/wdOK6UE37dqjit3A="
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
     },
     "mocha": {
       "version": "5.2.0",
diff --git a/package.json b/package.json
index f72fce7..7cce8e8 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
     "socket.io": "0.9.19",
     "socket.io-client": "^0.9.9",
     "winston": "^0.6.2",
-    "lodash": "~1.3.1"
+    "lodash": "~4.17.21"
   },
   "devDependencies": {
     "chai": "*",