diff --git a/package.json b/package.json
index 94d94e4..3a872d8 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
     "express": "4.16.4",
     "express-winston": "3.0.1",
     "immutable": "3.8.2",
-    "lodash": "4.17.11",
+    "lodash": "4.17.21",
     "object-assign": "4.1.1",
     "promise": "8.0.2",
     "moment": "2.22.2",
diff --git a/yarn.lock b/yarn.lock
index bf87297..e807900 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7061,10 +7061,10 @@ lodash.uniq@^4.5.0:
   resolved "https://registry.yarnpkg.com/lodash.uniq/-/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
   integrity sha1-0CJTc662Uq3BvILklFM5qEJ1R3M=
 
-lodash@4.17.11, "lodash@>=3.5 <5", lodash@^4.0.0, lodash@^4.0.1, lodash@^4.13.1, lodash@^4.15.0, lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.3, lodash@^4.17.4, lodash@^4.17.5, lodash@~4.17.10:
-  version "4.17.11"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
-  integrity sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==
+lodash@4.17.21, "lodash@>=3.5 <5", lodash@^4.0.0, lodash@^4.0.1, lodash@^4.13.1, lodash@^4.15.0, lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.3, lodash@^4.17.4, lodash@^4.17.5, lodash@~4.17.10:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
+  integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
 
 log-symbols@^1.0.2:
   version "1.0.2"