diff --git a/package-lock.json b/package-lock.json
index adac61c..e8f3738 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -244,6 +244,13 @@
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       "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=="
+        }
       }
     },
     "async-each": {
@@ -1363,6 +1370,11 @@
           "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.3.1.tgz",
           "integrity": "sha1-NJptRMU6Ud6JtAgFxdXlm0F9M0A="
         },
+        "lodash": {
+          "version": "4.17.15",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
+          "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A=="
+        },
         "natural-compare": {
           "version": "1.4.0",
           "resolved": "https://registry.npmjs.org/natural-compare/-/natural-compare-1.4.0.tgz",
@@ -2083,6 +2095,11 @@
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           "integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0="
         },
+        "lodash": {
+          "version": "4.17.15",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
+          "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A=="
+        },
         "strip-ansi": {
           "version": "4.0.0",
           "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
@@ -2114,6 +2131,13 @@
         "lodash": "4.17.15",
         "redis-commands": "1.3.5",
         "redis-parser": "1.3.0"
+      },
+      "dependencies": {
+        "lodash": {
+          "version": "4.17.15",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
+          "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A=="
+        }
       }
     },
     "is-accessor-descriptor": {
@@ -2529,6 +2553,13 @@
         "retry": "0.10.1",
         "snappy": "6.0.4",
         "uuid": "3.2.1"
+      },
+      "dependencies": {
+        "lodash": {
+          "version": "4.17.15",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
+          "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A=="
+        }
       }
     },
     "kareem": {
@@ -2724,9 +2755,9 @@
       }
     },
     "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=="
     },
     "lodash.get": {
       "version": "4.4.2",
@@ -3666,7 +3697,7 @@
       "dependencies": {
         "http-errors": {
           "version": "1.6.3",
-          "resolved": "http://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz",
+          "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz",
           "integrity": "sha1-i1VoC7S+KDoLW/TqLjhYC+HZMg0=",
           "requires": {
             "depd": "1.1.2",
@@ -4027,6 +4058,11 @@
             "ms": "2.0.0"
           }
         },
+        "lodash": {
+          "version": "4.17.15",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
+          "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A=="
+        },
         "validator": {
           "version": "9.4.1",
           "resolved": "https://registry.npmjs.org/validator/-/validator-9.4.1.tgz",
@@ -4406,6 +4442,11 @@
           "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz",
           "integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0="
         },
+        "lodash": {
+          "version": "4.17.15",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
+          "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A=="
+        },
         "supports-color": {
           "version": "5.4.0",
           "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.4.0.tgz",
diff --git a/package.json b/package.json
index f2966fb..59e95a7 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "koa-morgan": "^1.0.1",
     "koa-route": "^3.2.0",
     "koa-static": "^5.0.0",
-    "lodash": "^4.17.15",
+    "lodash": "^4.17.21",
     "mongoose": "^5.2.3",
     "mysql2": "^1.5.1",
     "nodemon": "^1.19.2",