diff --git a/package-lock.json b/package-lock.json
index b1fd488..5667753 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3583,9 +3583,9 @@
 			}
 		},
 		"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=="
 		},
 		"log-symbols": {
 			"version": "2.2.0",
diff --git a/package.json b/package.json
index 809b6b9..d0815fb 100644
--- a/package.json
+++ b/package.json
@@ -208,7 +208,7 @@
 		"jquery": "^3.5.0",
 		"js-sequence-diagrams": "git+https://github.com/Moeditor/js-sequence-diagrams.git",
 		"katex": "^0.10.2",
-		"lodash": "^4.17.15",
+		"lodash": "^4.17.21",
 		"mermaid": "^8.4.8",
 		"mini-css-extract-plugin": "^0.8.0",
 		"mocha": "^6.1.4",