diff --git a/04-npm/package-lock.json b/04-npm/package-lock.json
index c30e8f8..3b957e0 100644
--- a/04-npm/package-lock.json
+++ b/04-npm/package-lock.json
@@ -45,9 +45,9 @@
       "integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0="
     },
     "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=="
     },
     "supports-color": {
       "version": "5.5.0",
diff --git a/04-npm/package.json b/04-npm/package.json
index 6d3140c..d76da14 100644
--- a/04-npm/package.json
+++ b/04-npm/package.json
@@ -3,7 +3,7 @@
   "private": true,
   "dependencies": {
     "chalk": "^2.4.2",
-    "lodash": "^4.17.15",
+    "lodash": "^4.17.21",
     "useful-string": "0.0.2"
   }
 }