diff --git a/package-lock.json b/package-lock.json
index faa3806..3de07f3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -6983,7 +6983,8 @@
         },
         "ansi-regex": {
           "version": "2.1.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -7001,11 +7002,13 @@
         },
         "balanced-match": {
           "version": "1.0.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
+          "optional": true,
           "requires": {
             "balanced-match": "1.0.0",
             "concat-map": "0.0.1"
@@ -7018,15 +7021,18 @@
         },
         "code-point-at": {
           "version": "1.1.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -7129,7 +7135,8 @@
         },
         "inherits": {
           "version": "2.0.3",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -7139,6 +7146,7 @@
         "is-fullwidth-code-point": {
           "version": "1.0.0",
           "bundled": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "1.0.1"
           }
@@ -7151,17 +7159,20 @@
         "minimatch": {
           "version": "3.0.4",
           "bundled": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "1.1.11"
           }
         },
         "minimist": {
           "version": "0.0.8",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.3.5",
           "bundled": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "5.1.2",
             "yallist": "3.0.3"
@@ -7178,6 +7189,7 @@
         "mkdirp": {
           "version": "0.5.1",
           "bundled": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -7250,7 +7262,8 @@
         },
         "number-is-nan": {
           "version": "1.0.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -7260,6 +7273,7 @@
         "once": {
           "version": "1.4.0",
           "bundled": true,
+          "optional": true,
           "requires": {
             "wrappy": "1.0.2"
           }
@@ -7335,7 +7349,8 @@
         },
         "safe-buffer": {
           "version": "5.1.2",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -7365,6 +7380,7 @@
         "string-width": {
           "version": "1.0.2",
           "bundled": true,
+          "optional": true,
           "requires": {
             "code-point-at": "1.1.0",
             "is-fullwidth-code-point": "1.0.0",
@@ -7382,6 +7398,7 @@
         "strip-ansi": {
           "version": "3.0.1",
           "bundled": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "2.1.1"
           }
@@ -7420,11 +7437,13 @@
         },
         "wrappy": {
           "version": "1.0.2",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.3",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         }
       }
     },
@@ -8250,9 +8269,9 @@
       "integrity": "sha512-l9sfDFsuqtOqKDsQdqrMRk0U85RZc0RtOR9yPI7mRVOa4FsR/BVnZ0shmQRM96Ji99kYZP/7hn1cedc1+ApsTQ=="
     },
     "highcharts": {
-      "version": "7.2.0",
-      "resolved": "https://registry.npmjs.org/highcharts/-/highcharts-7.2.0.tgz",
-      "integrity": "sha512-jOlMzj3oRuqNBoJg+rqHZI9vnlLHipwVfceJr00gAreXu8268UwahEh7yBGI/m1wa6Uc/XoBMIuzMpXUFMvFdg=="
+      "version": "9.0.0",
+      "resolved": "https://registry.npmjs.org/highcharts/-/highcharts-9.0.0.tgz",
+      "integrity": "sha512-MJCtidFytGSQvsV3OEM+vFTLpjUcp7jmFpLn8h3oL4WKp0gxUOQg6Nw00sqMWGdiadst0gOZO4804zynTcYjZQ=="
     },
     "highlight.js": {
       "version": "9.15.10",
diff --git a/package.json b/package.json
index ce1a8e3..57eba1b 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
     "file-loader": "^3.0.1",
     "firebase": "^6.5.0",
     "fs-extra": "^7.0.1",
-    "highcharts": "^7.0.3",
+    "highcharts": "^9.0.0",
     "html-webpack-plugin": "^4.0.0-beta.5",
     "i18next": "^15.0.5",
     "identity-obj-proxy": "3.0.0",