diff --git a/.gitignore b/.gitignore
index 51b8f41e..01b03898 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,3 +20,4 @@ yarn-error.log*
 *.sln
 *.sw*
 dev/design
+package-lock.json
diff --git a/package.json b/package.json
index 585adacc..2441a19f 100644
--- a/package.json
+++ b/package.json
@@ -35,6 +35,7 @@
     "quill": "^1.3.4",
     "screenfull": "^3.3.2",
     "simplemde": "^1.11.2",
+    "ua-parser-js": "^0.7.18",
     "v-charts": "^1.17.6",
     "v-contextmenu": "^2.7.0",
     "vue": "^2.5.16",