diff --git a/package-lock.json b/package-lock.json
index 7709a5d..1200de2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2732,9 +2732,9 @@
       }
     },
     "lodash": {
-      "version": "4.17.15",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
-      "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==",
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==",
       "dev": true
     },
     "lru-cache": {
@@ -4407,6 +4407,7 @@
           "resolved": "https://registry.npmjs.org/braces/-/braces-2.3.2.tgz",
           "integrity": "sha512-aNdbnj9P8PjdXU4ybaWLK2IF3jc/EoDYbC7AazW6to3TRsfXxscC9UXOB5iDiEQrkyIbWp2SLQda4+QAa7nc3w==",
           "dev": true,
+          "optional": true,
           "requires": {
             "arr-flatten": "^1.1.0",
             "array-unique": "^0.3.2",
@@ -4425,6 +4426,7 @@
               "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
               "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
               "dev": true,
+              "optional": true,
               "requires": {
                 "is-extendable": "^0.1.0"
               }
@@ -4457,6 +4459,7 @@
           "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-4.0.0.tgz",
           "integrity": "sha1-1USBHUKPmOsGpj3EAtJAPDKMOPc=",
           "dev": true,
+          "optional": true,
           "requires": {
             "extend-shallow": "^2.0.1",
             "is-number": "^3.0.0",
@@ -4469,6 +4472,7 @@
               "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
               "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
               "dev": true,
+              "optional": true,
               "requires": {
                 "is-extendable": "^0.1.0"
               }
@@ -4520,6 +4524,7 @@
           "resolved": "https://registry.npmjs.org/is-number/-/is-number-3.0.0.tgz",
           "integrity": "sha1-JP1iAaR4LPUFYcgQJ2r8fRLXEZU=",
           "dev": true,
+          "optional": true,
           "requires": {
             "kind-of": "^3.0.2"
           },
@@ -4529,6 +4534,7 @@
               "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
               "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
               "dev": true,
+              "optional": true,
               "requires": {
                 "is-buffer": "^1.1.5"
               }
@@ -4540,6 +4546,7 @@
           "resolved": "https://registry.npmjs.org/micromatch/-/micromatch-3.1.10.tgz",
           "integrity": "sha512-MWikgl9n9M3w+bpsY3He8L+w9eF9338xRl8IAO5viDizwSzziFEyUzo2xrrloB64ADbTf8uA8vRqqttDTOmccg==",
           "dev": true,
+          "optional": true,
           "requires": {
             "arr-diff": "^4.0.0",
             "array-unique": "^0.3.2",
@@ -4573,6 +4580,7 @@
           "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-2.1.1.tgz",
           "integrity": "sha1-fIDBe53+vlmeJzZ+DU3VWQFB2zg=",
           "dev": true,
+          "optional": true,
           "requires": {
             "is-number": "^3.0.0",
             "repeat-string": "^1.6.1"
diff --git a/package.json b/package.json
index d1050ea..208f5a4 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
     "css-loader": "^3.4.2",
     "d3": "^5.15.0",
     "dts-bundle": "^0.7.3",
-    "lodash": "^4.17.15",
+    "lodash": "^4.17.21",
     "style-loader": "^1.1.3",
     "ts-loader": "^6.2.1",
     "typescript": "^3.8.3",