diff --git a/package.json b/package.json
index 2977167..4ef073c 100644
--- a/package.json
+++ b/package.json
@@ -25,6 +25,6 @@
     "karma-chrome-launcher": "^3.1.0",
     "karma-jasmine": "^4.0.1",
     "karma-safari-launcher": "^1.0.0",
-    "lodash": "^4.17.10"
+    "lodash": "^4.17.21"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index dd84790..1f833ca 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1372,10 +1372,10 @@ lodash.memoize@~3.0.3:
   resolved "https://registry.yarnpkg.com/lodash.memoize/-/lodash.memoize-3.0.4.tgz#2dcbd2c287cbc0a55cc42328bd0c736150d53e3f"
   integrity sha1-LcvSwofLwKVcxCMovQxzYVDVPj8=
 
-lodash@^4.17.10, lodash@^4.17.19:
-  version "4.17.20"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.20.tgz#b44a9b6297bcb698f1c51a3545a2b3b368d59c52"
-  integrity sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA==
+lodash@^4.17.19, lodash@^4.17.21:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
+  integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
 
 log4js@^6.2.1:
   version "6.3.0"