diff --git a/package.json b/package.json
index d8637f4..f42450a 100644
--- a/package.json
+++ b/package.json
@@ -27,6 +27,7 @@
     "rxjs": "~6.6.0",
     "tslib": "^2.3.0",
     "zone.js": "~0.11.4"
+    "chart.js": "^2.9.3"
   },
   "devDependencies": {
     "@angular-devkit/build-angular": "~12.2.14",