diff --git a/public/package.json b/public/package.json
index 9d73c99..9ba3c21 100644
--- a/public/package.json
+++ b/public/package.json
@@ -11,6 +11,7 @@
   "dependencies": {
     "bootstrap": "^5.1.3",
     "chart.js": "^2.9.3",
-    "chartkick": "^3.2.0"
+    "chartkick": "^3.2.0",
+    "moment": "^2.29.3"
   }
 }
diff --git a/public/yarn.lock b/public/yarn.lock
index d2f3a69..bb734cd 100644
--- a/public/yarn.lock
+++ b/public/yarn.lock
@@ -56,3 +56,8 @@ moment@^2.10.2:
   version "2.29.1"
   resolved "https://registry.yarnpkg.com/moment/-/moment-2.29.1.tgz#b2be769fa31940be9eeea6469c075e35006fa3d3"
   integrity sha512-kHmoybcPV8Sqy59DwNDY3Jefr64lK/by/da0ViFcuA4DH0vQg5Q6Ze5VimxkfQNSC+Mls/Kx53s7TjP1RhFEDQ==
+
+moment@^2.29.3:
+  version "2.29.3"
+  resolved "https://registry.yarnpkg.com/moment/-/moment-2.29.3.tgz#edd47411c322413999f7a5940d526de183c031f3"
+  integrity sha512-c6YRvhEo//6T2Jz/vVtYzqBzwvPT95JBQ+smCytzf7c50oMZRsR/a4w88aD34I+/QVSfnoAnSBFPJHItlOMJVw==