diff --git a/src/webportal/package.json b/src/webportal/package.json
index 96ccb1c720..04937b12d9 100644
--- a/src/webportal/package.json
+++ b/src/webportal/package.json
@@ -75,6 +75,7 @@
     "monaco-editor-webpack-plugin": "^1.7.0",
     "morgan": "~1.9.0",
     "node-sass": "~4.7.2",
+    "office-ui-fabric-js": "^1.5.0",
     "office-ui-fabric-react": "^6.143.0",
     "papaparse": "^4.6.3",
     "postcss-import": "^12.0.1",
diff --git a/src/webportal/yarn.lock b/src/webportal/yarn.lock
index 4ef421ca8c..7b27d8256f 100644
--- a/src/webportal/yarn.lock
+++ b/src/webportal/yarn.lock
@@ -6356,6 +6356,18 @@ obuf@^1.0.0, obuf@^1.1.2:
   resolved "https://registry.yarnpkg.com/obuf/-/obuf-1.1.2.tgz#09bea3343d41859ebd446292d11c9d4db619084e"
   integrity sha512-PX1wu0AmAdPqOL1mWhqmlOd8kOIZQwGZw6rh7uby9fTc5lhaOWFLX3I6R1hrF9k3zUY40e6igsLGkDXK92LJNg==
 
+office-ui-fabric-core@5.0.1:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/office-ui-fabric-core/-/office-ui-fabric-core-5.0.1.tgz#f6f27eb793ceca62366419877b73970de4841e52"
+  integrity sha1-9vJ+t5POymI2ZBmHe3OXDeSEHlI=
+
+office-ui-fabric-js@^1.5.0:
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/office-ui-fabric-js/-/office-ui-fabric-js-1.5.0.tgz#d77b778f79a6178f843dd757e4639ae05709d340"
+  integrity sha1-13t3j3mmF4+EPddX5GOa4FcJ00A=
+  dependencies:
+    office-ui-fabric-core "5.0.1"
+
 office-ui-fabric-react@^6.143.0:
   version "6.143.0"
   resolved "https://registry.yarnpkg.com/office-ui-fabric-react/-/office-ui-fabric-react-6.143.0.tgz#8859a2e23780999c3372d73c80e1e32cb7dd2b5d"