diff --git a/scagnostics/package-lock.json b/scagnostics/package-lock.json
index b4c8770..36707ea 100644
--- a/scagnostics/package-lock.json
+++ b/scagnostics/package-lock.json
@@ -287,9 +287,9 @@
       }
     },
     "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=="
     },
     "magic-string": {
       "version": "0.22.5",
diff --git a/scagnostics/package.json b/scagnostics/package.json
index 277ece8..958b055 100644
--- a/scagnostics/package.json
+++ b/scagnostics/package.json
@@ -5,7 +5,7 @@
     "alpha-shape": "^1.0.0",
     "d3-delaunay": "^4.1.5",
     "d3-polygon": "^1.0.3",
-    "lodash": "^4.17.15",
+    "lodash": "^4.17.21",
     "simple-statistics": "^6.1.0",
     "underscore": "^1.9.1"
   },