diff --git a/package.json b/package.json
index 933240f..7e62445 100644
--- a/package.json
+++ b/package.json
@@ -18,6 +18,7 @@
     "chart.js": "^2.7.3",
     "jquery": "^3.3.1",
     "js-yaml": "^3.12.0",
+    "momentjs": "^2.0.0",
     "papaparse": "^4.6.2",
     "vue": "^2.5.17",
     "vue-chartjs": "^3.4.0",
diff --git a/yarn.lock b/yarn.lock
index 34394fb..0a6d462 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6531,6 +6531,11 @@ moment@^2.10.2:
   resolved "https://registry.yarnpkg.com/moment/-/moment-2.22.2.tgz#3c257f9839fc0e93ff53149632239eb90783ff66"
   integrity sha1-PCV/mDn8DpP/UxSWMiOeuQeD/2Y=
 
+momentjs@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/momentjs/-/momentjs-2.0.0.tgz#73df904b4fa418f6e3c605e831cef6ed5518ebd4"
+  integrity sha1-c9+QS0+kGPbjxgXoMc727VUY69Q=
+
 move-concurrently@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/move-concurrently/-/move-concurrently-1.0.1.tgz#be2c005fda32e0b29af1f05d7c4b33214c701f92"