diff --git a/package-lock.json b/package-lock.json
index 4e8c916..1098e90 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -6474,9 +6474,9 @@
       "dev": true
     },
     "jsdom": {
-      "version": "18.1.1",
-      "resolved": "https://registry.npmjs.org/jsdom/-/jsdom-18.1.1.tgz",
-      "integrity": "sha512-NmJQbjQ/gpS/1at/ce3nCx89HbXL/f5OcenBe8wU1Eik0ROhyUc3LtmG3567dEHAGXkN8rmILW/qtCOPxPHQJw==",
+      "version": "19.0.0",
+      "resolved": "https://registry.npmjs.org/jsdom/-/jsdom-19.0.0.tgz",
+      "integrity": "sha512-RYAyjCbxy/vri/CfnjUWJQQtZ3LKlLnDqj+9XLNnJPgEGeirZs3hllKR20re8LUZ6o1b1X4Jat+Qd26zmP41+A==",
       "dev": true,
       "requires": {
         "abab": "^2.0.5",
@@ -11573,9 +11573,9 @@
       }
     },
     "ws": {
-      "version": "8.2.3",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-8.2.3.tgz",
-      "integrity": "sha512-wBuoj1BDpC6ZQ1B7DWQBYVLphPWkm8i9Y0/3YdHjHKHiohOJ1ws+3OccDWtH+PoC9DZD5WOTrJvNbWvjS6JWaA==",
+      "version": "8.3.0",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-8.3.0.tgz",
+      "integrity": "sha512-Gs5EZtpqZzLvmIM59w4igITU57lrtYVFneaa434VROv4thzJyV6UjIL3D42lslWlI+D4KzLYnxSwtfuiO79sNw==",
       "dev": true
     },
     "xdg-basedir": {
diff --git a/package.json b/package.json
index 7c4cd35..08fd1ed 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
   "devDependencies": {
     "@vuepress/plugin-back-to-top": "1.8.2",
     "@vuepress/plugin-medium-zoom": "1.8.2",
-    "jsdom": "18.1.1",
+    "jsdom": "19.0.0",
     "markdown-it-attrs": "4.1.0",
     "pre-commit": "1.2.2",
     "prettier": "2.5.0",