diff --git a/nodejs-main-subjects/04-npm/04-package-json/app2/package-lock.json b/nodejs-main-subjects/04-npm/04-package-json/app2/package-lock.json
index 3db3bf3..1e0594d 100644
--- a/nodejs-main-subjects/04-npm/04-package-json/app2/package-lock.json
+++ b/nodejs-main-subjects/04-npm/04-package-json/app2/package-lock.json
@@ -20,9 +20,9 @@
       "integrity": "sha512-RB7T2QO4+F8zc5UA+yujQb8V5GDmyiGzCW7e/x5CyKUEx0xzI9Hz5ptOS85GDBHlDx6LDooyHxw5FwKkximL5Q=="
     },
     "underscore": {
-      "version": "1.9.1",
-      "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.9.1.tgz",
-      "integrity": "sha512-5/4etnCkd9c8gwgowi5/om/mYO5ajCaOgdzj/oW+0eQV9WxKBDZw5+ycmKmeaTXjInS/W0BzpGLo2xR2aBwZdg=="
+      "version": "1.12.1",
+      "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.12.1.tgz",
+      "integrity": "sha512-hEQt0+ZLDVUMhebKxL4x1BTtDY7bavVofhZ9KZ4aI26X9SRaE+Y3m83XUL1UP2jn8ynjndwCCpEHdUG+9pP1Tw=="
     }
   }
 }
diff --git a/nodejs-main-subjects/04-npm/04-package-json/app2/package.json b/nodejs-main-subjects/04-npm/04-package-json/app2/package.json
index c14cdbe..a55d430 100644
--- a/nodejs-main-subjects/04-npm/04-package-json/app2/package.json
+++ b/nodejs-main-subjects/04-npm/04-package-json/app2/package.json
@@ -15,6 +15,6 @@
     "crypto": "^1.0.1",
     "nodemailer": "^3.1.8",
     "slugify": "^1.3.2",
-    "underscore": "^1.9.1"
+    "underscore": "^1.12.1"
   }
 }