diff --git a/BlazorMandelbrotDeepzoom/BlazorMandelbrotDeepzoom/Client/package-lock.json b/BlazorMandelbrotDeepzoom/BlazorMandelbrotDeepzoom/Client/package-lock.json
index ee65db8..934a045 100644
--- a/BlazorMandelbrotDeepzoom/BlazorMandelbrotDeepzoom/Client/package-lock.json
+++ b/BlazorMandelbrotDeepzoom/BlazorMandelbrotDeepzoom/Client/package-lock.json
@@ -7084,9 +7084,9 @@
       }
     },
     "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=="
     },
     "lodash.sortby": {
       "version": "4.7.0",
diff --git a/BlazorMandelbrotDeepzoom/BlazorMandelbrotDeepzoom/Client/package.json b/BlazorMandelbrotDeepzoom/BlazorMandelbrotDeepzoom/Client/package.json
index 0d5c055..40df3cd 100644
--- a/BlazorMandelbrotDeepzoom/BlazorMandelbrotDeepzoom/Client/package.json
+++ b/BlazorMandelbrotDeepzoom/BlazorMandelbrotDeepzoom/Client/package.json
@@ -9,7 +9,7 @@
     "watch": "webpack --watch"
   },
   "dependencies": {
-    "lodash": "^4.17.15"
+    "lodash": "^4.17.21"
   },
   "devDependencies": {
     "@webpack-cli/serve": "^0.2.0",