diff --git a/package-lock.json b/package-lock.json
index 17d73f2..f0ad314 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -18,6 +18,11 @@
           "version": "1.4.0",
           "resolved": "https://registry.npmjs.org/extsprintf/-/extsprintf-1.4.0.tgz",
           "integrity": "sha1-4mifjzVvrWLMplo6kcXfX5VRaS8="
+        },
+        "lodash": {
+          "version": "4.17.15",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
+          "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A=="
         }
       }
     },
@@ -51,6 +56,13 @@
       "integrity": "sha512-zflvls11DCy+dQWzTW2dzuilv8Z5X/pjfmZOWba6TNIVDm+2UDaJmXSOXlasHKfNBs8oo3M0aT50fDEWfKZjXg==",
       "requires": {
         "lodash": "4.17.15"
+      },
+      "dependencies": {
+        "lodash": {
+          "version": "4.17.15",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
+          "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A=="
+        }
       }
     },
     "asynckit": {
@@ -324,9 +336,9 @@
       "integrity": "sha1-er4VIkxIAOPq7Kxxx1OiC/tsv2U="
     },
     "lodash": {
-      "version": "4.17.15",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
-      "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A=="
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
     },
     "lru-cache": {
       "version": "5.1.1",
@@ -507,6 +519,11 @@
         "uuid": "3.4.0"
       },
       "dependencies": {
+        "lodash": {
+          "version": "4.17.15",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
+          "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A=="
+        },
         "qs": {
           "version": "6.9.1",
           "resolved": "https://registry.npmjs.org/qs/-/qs-6.9.1.tgz",
@@ -523,6 +540,13 @@
         "assert-plus": "1.0.0",
         "lodash": "4.17.15",
         "safe-json-stringify": "1.2.0"
+      },
+      "dependencies": {
+        "lodash": {
+          "version": "4.17.15",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
+          "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A=="
+        }
       }
     },
     "rimraf": {
diff --git a/package.json b/package.json
index 3f2d212..b5b170d 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
     "bunyan": "^1.8.10",
     "geolib": "^2.0.23",
     "latlon-geohash": "^1.1.0",
-    "lodash": "^4.17.4",
+    "lodash": "^4.17.21",
     "minimist": "^1.2.0",
     "request": "^2.85.0",
     "restify-clients": "^2.6.9",