diff --git a/3-npm/5-update/package-lock.json b/3-npm/5-update/package-lock.json
index ade161b..d89cc1c 100644
--- a/3-npm/5-update/package-lock.json
+++ b/3-npm/5-update/package-lock.json
@@ -250,9 +250,9 @@
       }
     },
     "lodash": {
-      "version": "4.16.2",
-      "resolved": "http://registry.npmjs.org/lodash/-/lodash-4.16.2.tgz",
-      "integrity": "sha1-PmJtuCcEimmSgaihJSJjJs/A5lI="
+      "version": "4.17.19",
+      "resolved": "http://registry.npmjs.org/lodash/-/lodash-4.17.19.tgz",
+      "integrity": "sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ=="
     },
     "mime-db": {
       "version": "1.36.0",
diff --git a/3-npm/5-update/package.json b/3-npm/5-update/package.json
index 985a104..e65ec8d 100644
--- a/3-npm/5-update/package.json
+++ b/3-npm/5-update/package.json
@@ -2,7 +2,7 @@
   "name": "5-update",
   "version": "1.0.0",
   "dependencies": {
-    "lodash": "4.16.2",
+    "lodash": "4.17.19",
     "request": "2.85.0"
   }
 }