diff --git a/package-lock.json b/package-lock.json
index 66307cb..7a7b044 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -236,9 +236,9 @@
       "integrity": "sha512-U15Q7MXTuZlrbymiz95PJpZxu8IlipAp4dtS3wOdgPXx3mqBnslrWU14kxfHB+Py/+2PVKSr37dMAgM2A4uArw=="
     },
     "lodash": {
-      "version": "4.17.11",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz",
-      "integrity": "sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg=="
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
     },
     "long": {
       "version": "4.0.0",
diff --git a/package.json b/package.json
index 9080a5f..e2161b9 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
   "license": "ISC",
   "dependencies": {
     "@tensorflow/tfjs-node": "^0.1.17",
-    "lodash": "^4.17.11",
+    "lodash": "^4.17.21",
     "memoize": "^0.1.1",
     "mnist-data": "^1.2.6",
     "node-remote-plot": "^1.3.0",