diff --git a/package.json b/package.json
index ccd53b9..a038edd 100644
--- a/package.json
+++ b/package.json
@@ -56,7 +56,7 @@
     "eslint-plugin-ember": "^6.2.0",
     "eslint-plugin-node": "^9.0.1",
     "glob": "^4.0.5",
-    "highcharts": "^6.1.4",
+    "highcharts": "^11.3.0",
     "loader.js": "^4.7.0",
     "morgan": "^1.3.2",
     "qunit-dom": "^1.6.0",
diff --git a/yarn.lock b/yarn.lock
index bfe536e..bdf3f7d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8776,9 +8776,10 @@ heimdalljs@^0.3.0:
   dependencies:
     rsvp "~3.2.1"
 
-highcharts@^6.1.4:
-  version "6.1.4"
-  resolved "https://registry.yarnpkg.com/highcharts/-/highcharts-6.1.4.tgz#753b6d4b99a279ade28276e1b4dc5a53346c7601"
+highcharts@^11.3.0:
+  version "11.3.0"
+  resolved "https://registry.yarnpkg.com/highcharts/-/highcharts-11.3.0.tgz#cb9e366f9889ec8fd2a546a44cba3e138824458f"
+  integrity sha512-Dk+Qfk/xit8KnXKPDxmcVcq48ZlcVSq7oYJR5VZlAVWnJ0BY3JFFi1GOvgSNUzlh2wzsfenihWpkAkWoag4Xqg==
 
 hmac-drbg@^1.0.1:
   version "1.0.1"