diff --git a/mobile-drawing-app/package-lock.json b/mobile-drawing-app/package-lock.json
index 214eb9b..8ab28bd 100644
--- a/mobile-drawing-app/package-lock.json
+++ b/mobile-drawing-app/package-lock.json
@@ -10357,9 +10357,9 @@
       "dev": true
     },
     "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=="
     },
     "union-value": {
       "version": "1.0.1",
diff --git a/mobile-drawing-app/package.json b/mobile-drawing-app/package.json
index 5509583..1c087f0 100644
--- a/mobile-drawing-app/package.json
+++ b/mobile-drawing-app/package.json
@@ -25,7 +25,7 @@
     "ng2-ion-range-slider": "^2.0.0",
     "rxjs": "~6.4.0",
     "tslib": "^1.9.0",
-    "underscore": "^1.9.1",
+    "underscore": "^1.12.1",
     "zone.js": "~0.9.1"
   },
   "devDependencies": {