diff --git a/package-lock.json b/package-lock.json
index 1929d78..72f91f0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4134,9 +4134,9 @@
       }
     },
     "lodash": {
-      "version": "4.17.20",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.20.tgz",
-      "integrity": "sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA=="
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
     },
     "loglevel": {
       "version": "1.6.8",
diff --git a/package.json b/package.json
index ef77d3b..6fd713a 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
     "html-webpack-plugin": "^3.2.0",
     "immer": "^5.0.0",
     "jquery": "^3.4.1",
-    "lodash": "^4.17.20",
+    "lodash": "^4.17.21",
     "mobx": "^5.15.4",
     "mobx-react": "^6.2.5",
     "react": "^16.11.0",