diff --git a/package.json b/package.json
index 0cb59f6..8414863 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
     "express": "^4.17.1",
     "history": "^4.10.1",
     "js-yaml": "^3.13.1",
-    "lodash": "^4.17.15",
+    "lodash": "^4.17.21",
     "log4js": "^6.1.1",
     "morgan": "^1.9.1",
     "react": "^16.12.0",
diff --git a/yarn.lock b/yarn.lock
index 5288dd0..695ee7f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5546,10 +5546,10 @@ lodash.defaultsdeep@^4.6.1:
   resolved "https://registry.yarnpkg.com/lodash.defaultsdeep/-/lodash.defaultsdeep-4.6.1.tgz#512e9bd721d272d94e3d3a63653fa17516741ca6"
   integrity sha512-3j8wdDzYuWO3lM3Reg03MuQR957t287Rpcxp1njpEa8oDrikb+FwGdW3n+FELh/A6qib6yPit0j/pv9G/yeAqA==
 
-lodash@^4.17.11, lodash@^4.17.13, lodash@^4.17.14, 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@^4.17.11, 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-symbols@^4.0.0:
   version "4.0.0"