diff --git a/package.json b/package.json
index d39824d..1e232c1 100644
--- a/package.json
+++ b/package.json
@@ -85,7 +85,7 @@
     "import-sort-parser-babylon": "^4.2.0",
     "import-sort-style-eslint": "^4.2.0",
     "json-stable-stringify": "^1.0.1",
-    "lodash": "^4.17.13",
+    "lodash": "^4.17.21",
     "set-abi-gen": "1.1.0-beta.1",
     "solc": "^0.5.4",
     "solidity-coverage": "^0.6.3",
diff --git a/yarn.lock b/yarn.lock
index c2bbccf..c37f8be 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5684,15 +5684,10 @@ lodash.without@^4.4.0:
   resolved "https://registry.yarnpkg.com/lodash.without/-/lodash.without-4.4.0.tgz#3cd4574a00b67bae373a94b748772640507b7aac"
   integrity sha1-PNRXSgC2e643OpS3SHcmQFB7eqw=
 
-lodash@^4.13.1, lodash@^4.14.2, lodash@^4.17.13, lodash@^4.17.4, lodash@^4.17.5, lodash@^4.3.0:
-  version "4.17.13"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.13.tgz#0bdc3a6adc873d2f4e0c4bac285df91b64fc7b93"
-  integrity sha512-vm3/XWXfWtRua0FkUyEHBZy8kCPjErNBT9fJx8Zvs+U6zjqPbTUOpkaoum3O5uiA8sm+yNMHXfYkTUHFoMxFNA==
-
-lodash@^4.17.11, lodash@^4.17.14, lodash@^4.17.15, lodash@^4.2.0:
-  version "4.17.15"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
-  integrity sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==
+lodash@^4.13.1, lodash@^4.14.2, lodash@^4.17.11, lodash@^4.17.13, lodash@^4.17.14, lodash@^4.17.15, lodash@^4.17.21, lodash@^4.17.4, lodash@^4.17.5, lodash@^4.2.0, lodash@^4.3.0:
+  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"