diff --git a/package-lock.json b/package-lock.json
index 706e575..758fcf8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3695,9 +3695,9 @@
       "dev": true
     },
     "chart.js": {
-      "version": "2.9.3",
-      "resolved": "https://registry.npmjs.org/chart.js/-/chart.js-2.9.3.tgz",
-      "integrity": "sha512-+2jlOobSk52c1VU6fzkh3UwqHMdSlgH1xFv9FKMqHiNCpXsGPQa/+81AFa+i3jZ253Mq9aAycPwDjnn1XbRNNw==",
+      "version": "2.9.4",
+      "resolved": "https://registry.npmjs.org/chart.js/-/chart.js-2.9.4.tgz",
+      "integrity": "sha512-B07aAzxcrikjAPyV+01j7BmOpxtQETxTSlQ26BEYJ+3iUkbNKaOJ/nDbT6JjyqYxseM0ON12COHYdU2cTIjC7A==",
       "requires": {
         "chartjs-color": "^2.1.0",
         "moment": "^2.10.2"
diff --git a/package.json b/package.json
index acd3fea..cbc17f9 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "@types/d3-selection": "^1.4.2",
     "@types/d3-shape": "^1.3.2",
     "bootstrap": "^4.5.0",
-    "chart.js": "^2.9.3",
+    "chart.js": "^2.9.4",
     "esp-ota": "^1.0.2",
     "express": "^4.17.1",
     "https-proxy-agent": "^5.0.0",