diff --git a/package.json b/package.json
index b14bbc6..750ff18 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
     "husky": "^3.0.2",
     "jest": "^24.8.0",
     "lint-staged": "^9.2.0",
-    "lodash": "^4.17.15",
+    "lodash": "^4.17.21",
     "rimraf": "^2.6.3",
     "standard-version": "^8.0.0"
   },
@@ -45,7 +45,7 @@
     "bluebird": "^3.5.5",
     "cross-env": "^5.2.0",
     "decimal.js": "^10.2.0",
-    "lodash": "^4.17.15",
+    "lodash": "^4.17.21",
     "log4js": "^4.5.1",
     "long": "^4.0.0",
     "moment": "^2.24.0",
diff --git a/yarn.lock b/yarn.lock
index 0e2daab..cfba178 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4738,11 +4738,16 @@ lodash@4.17.14:
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.14.tgz#9ce487ae66c96254fe20b599f21b6816028078ba"
   integrity sha512-mmKYbW3GLuJeX+iGP+Y7Gp1AiGHGbXHCOh/jZmrawMmsE7MS4znI3RL2FsjbqOyMayHInjOeykW7PEajUk1/xw==
 
-lodash@4.17.15, lodash@^4.17.10, lodash@^4.17.12, lodash@^4.17.13, lodash@^4.17.14, lodash@^4.17.15:
+lodash@4.17.15:
   version "4.17.15"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
   integrity sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==
 
+lodash@^4.17.10, lodash@^4.17.12, lodash@^4.17.13, lodash@^4.17.14, lodash@^4.17.15, lodash@^4.17.21:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
+  integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
+
 log-driver@^1.2.7:
   version "1.2.7"
   resolved "https://registry.yarnpkg.com/log-driver/-/log-driver-1.2.7.tgz#63b95021f0702fedfa2c9bb0a24e7797d71871d8"