diff --git a/package.json b/package.json
index b49eeee..4002ee4 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "graphql-tag": "^2.10.0",
     "graphql-tools": "^4.0.5",
     "graphql-validation-complexity": "^0.3.0",
-    "lodash": "^4.17.19",
+    "lodash": "^4.17.21",
     "lower-case": "^1.1.4",
     "moment": "^2.23.0",
     "mongodb": "^3.1.10",
diff --git a/yarn.lock b/yarn.lock
index cd82b1d..f90c35e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4164,10 +4164,10 @@ lodash@4.17.15:
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
   integrity sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==
 
-lodash@^4.17.11, lodash@^4.17.12, lodash@^4.17.13, lodash@^4.17.14, lodash@^4.17.19, lodash@^4.17.4, lodash@^4.2.0:
-  version "4.17.19"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.19.tgz#e48ddedbe30b3321783c5b4301fbd353bc1e4a4b"
-  integrity sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ==
+lodash@^4.17.11, lodash@^4.17.12, lodash@^4.17.13, lodash@^4.17.14, lodash@^4.17.21, lodash@^4.17.4, lodash@^4.2.0:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
+  integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
 
 log-symbols@2.2.0:
   version "2.2.0"