diff --git a/src/Umbraco.Web.UI.Client/package-lock.json b/src/Umbraco.Web.UI.Client/package-lock.json
index 0e8f48084f01..3f53638fc6a8 100644
--- a/src/Umbraco.Web.UI.Client/package-lock.json
+++ b/src/Umbraco.Web.UI.Client/package-lock.json
@@ -15755,9 +15755,9 @@
             "dev": true
         },
         "underscore": {
-            "version": "1.9.1",
-            "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.9.1.tgz",
-            "integrity": "sha1-BtzjSg5op7q8KbNluOdLiSUgOWE="
+            "version": "1.12.1",
+            "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.12.1.tgz",
+            "integrity": "sha512-hEQt0+ZLDVUMhebKxL4x1BTtDY7bavVofhZ9KZ4aI26X9SRaE+Y3m83XUL1UP2jn8ynjndwCCpEHdUG+9pP1Tw=="
         },
         "undertaker": {
             "version": "1.2.1",
diff --git a/src/Umbraco.Web.UI.Client/package.json b/src/Umbraco.Web.UI.Client/package.json
index 16d6ff980bd9..6514f2f2178f 100644
--- a/src/Umbraco.Web.UI.Client/package.json
+++ b/src/Umbraco.Web.UI.Client/package.json
@@ -47,7 +47,7 @@
     "spectrum-colorpicker2": "2.0.8",
     "tinymce": "4.9.11",
     "typeahead.js": "0.11.1",
-    "underscore": "1.9.1",
+    "underscore": "1.12.1",
     "wicg-inert": "^3.0.2"
   },
   "devDependencies": {