diff --git a/package-lock.json b/package-lock.json
index 68e30d9..4bb8017 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2397,27 +2397,15 @@
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-      "version": "0.2.5",
-      "resolved": "https://registry.npmjs.org/backbone-undo/-/backbone-undo-0.2.5.tgz",
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-      "dependencies": {
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-        "underscore": "1.4.4 - 1.8.3"
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-      "version": "1.2.1",
-      "resolved": "https://registry.npmjs.org/backbone/-/backbone-1.2.1.tgz",
-      "integrity": "sha1-1yGcXtSeXhMdv/ryXJbW0sw8oD4=",
+      "version": "0.2.6",
+      "resolved": "https://registry.npmjs.org/backbone-undo/-/backbone-undo-0.2.6.tgz",
+      "integrity": "sha512-AsfpNiljLXlk7TcffDUu3EAUq7CxWbyTNwARWrql5XTzN4vh6WzEEBZYaKK4kTTz+iW1tSzqUooaGRIwO83kWA==",
+      "deprecated": "Package no longer supported. Contact Support at https://www.npmjs.com/support for more info.",
       "dependencies": {
-        "underscore": ">=1.7.0"
+        "backbone": ">=1.0.0",
+        "underscore": ">=1.4.4"
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-    "node_modules/backbone-undo/node_modules/underscore": {
-      "version": "1.8.3",
-      "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.8.3.tgz",
-      "integrity": "sha1-Tz+1OxBuYJf8+ctBCfKl6b36UCI="
-    },
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       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz",
@@ -11935,9 +11923,9 @@
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-      "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.13.1.tgz",
-      "integrity": "sha512-hzSoAVtJF+3ZtiFX0VgfFPHEDRm7Y/QPjGyNo4TVdnDTdft3tr8hEkD25a1jC+TjTuE7tkHGKkhwCgs9dgBB2g=="
+      "version": "1.13.8",
+      "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.13.8.tgz",
+      "integrity": "sha512-DXtD3ZtEQzc7M8m4cXotyHR+FAS18C64asBYY5vqZexfYryNNnDc02W4hKg3rdQuqOYas1jkseX0+nZXjTXnvQ=="
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@@ -14428,27 +14416,12 @@
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-      "version": "0.2.5",
-      "resolved": "https://registry.npmjs.org/backbone-undo/-/backbone-undo-0.2.5.tgz",
-      "integrity": "sha1-VbJSMPkDGcpiJGXomoAki4k8LOI=",
+      "version": "0.2.6",
+      "resolved": "https://registry.npmjs.org/backbone-undo/-/backbone-undo-0.2.6.tgz",
+      "integrity": "sha512-AsfpNiljLXlk7TcffDUu3EAUq7CxWbyTNwARWrql5XTzN4vh6WzEEBZYaKK4kTTz+iW1tSzqUooaGRIwO83kWA==",
       "requires": {
-        "backbone": "1.0.0 - 1.2.1",
-        "underscore": "1.4.4 - 1.8.3"
-      },
-      "dependencies": {
-        "backbone": {
-          "version": "1.2.1",
-          "resolved": "https://registry.npmjs.org/backbone/-/backbone-1.2.1.tgz",
-          "integrity": "sha1-1yGcXtSeXhMdv/ryXJbW0sw8oD4=",
-          "requires": {
-            "underscore": ">=1.7.0"
-          }
-        },
-        "underscore": {
-          "version": "1.8.3",
-          "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.8.3.tgz",
-          "integrity": "sha1-Tz+1OxBuYJf8+ctBCfKl6b36UCI="
-        }
+        "backbone": ">=1.0.0",
+        "underscore": ">=1.4.4"
       }
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     "balanced-match": {
@@ -22117,9 +22090,9 @@
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-      "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.13.1.tgz",
-      "integrity": "sha512-hzSoAVtJF+3ZtiFX0VgfFPHEDRm7Y/QPjGyNo4TVdnDTdft3tr8hEkD25a1jC+TjTuE7tkHGKkhwCgs9dgBB2g=="
+      "version": "1.13.8",
+      "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.13.8.tgz",
+      "integrity": "sha512-DXtD3ZtEQzc7M8m4cXotyHR+FAS18C64asBYY5vqZexfYryNNnDc02W4hKg3rdQuqOYas1jkseX0+nZXjTXnvQ=="
     },
     "unicode-canonical-property-names-ecmascript": {
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