diff --git a/package.json b/package.json
index cad9441..84aadbc 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
     "homepage": ".",
     "private": true,
     "dependencies": {
-        "chart.js": "2.8.0",
+        "chart.js": "2.9.3",
         "random-seed": "0.3.0"
     },
     "scripts": {
diff --git a/yarn.lock b/yarn.lock
index 619ba4f..cc4a453 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -598,10 +598,10 @@ chalk@^2.4.1:
     escape-string-regexp "^1.0.5"
     supports-color "^5.3.0"
 
-chart.js@2.8.0:
-  version "2.8.0"
-  resolved "https://registry.yarnpkg.com/chart.js/-/chart.js-2.8.0.tgz#b703b10d0f4ec5079eaefdcd6ca32dc8f826e0e9"
-  integrity sha512-Di3wUL4BFvqI5FB5K26aQ+hvWh8wnP9A3DWGvXHVkO13D3DSnaSsdZx29cXlEsYKVkn1E2az+ZYFS4t0zi8x0w==
+chart.js@2.9.3:
+  version "2.9.3"
+  resolved "https://registry.yarnpkg.com/chart.js/-/chart.js-2.9.3.tgz#ae3884114dafd381bc600f5b35a189138aac1ef7"
+  integrity sha512-+2jlOobSk52c1VU6fzkh3UwqHMdSlgH1xFv9FKMqHiNCpXsGPQa/+81AFa+i3jZ253Mq9aAycPwDjnn1XbRNNw==
   dependencies:
     chartjs-color "^2.1.0"
     moment "^2.10.2"