diff --git a/spring-boot-admin-server-ui/package-lock.json b/spring-boot-admin-server-ui/package-lock.json
index 8e0e7d9a2f6..1ab5126f03f 100644
--- a/spring-boot-admin-server-ui/package-lock.json
+++ b/spring-boot-admin-server-ui/package-lock.json
@@ -78,7 +78,7 @@
         "eslint-plugin-storybook": "9.1.3",
         "eslint-plugin-vue": "^10.0.0",
         "globals": "^16.3.0",
-        "happy-dom": "^18.0.0",
+        "happy-dom": "^20.0.7",
         "jsdom": "^26.0.0",
         "msw": "2.10.5",
         "msw-storybook-addon": "2.0.5",
@@ -6620,9 +6620,9 @@
       }
     },
     "node_modules/happy-dom": {
-      "version": "18.0.1",
-      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-18.0.1.tgz",
-      "integrity": "sha512-qn+rKOW7KWpVTtgIUi6RVmTBZJSe2k0Db0vh1f7CWrWclkkc7/Q+FrOfkZIb2eiErLyqu5AXEzE7XthO9JVxRA==",
+      "version": "20.0.7",
+      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-20.0.7.tgz",
+      "integrity": "sha512-CywLfzmYxP5OYpuAG0usFY0CpxJtwYR+w8Mms5J8W29Y2Pzf6rbfQS2M523tRZTb0oLA+URopPtnAQX2fupHZQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
diff --git a/spring-boot-admin-server-ui/package.json b/spring-boot-admin-server-ui/package.json
index 32650c6097d..a23e2172ec2 100644
--- a/spring-boot-admin-server-ui/package.json
+++ b/spring-boot-admin-server-ui/package.json
@@ -89,7 +89,7 @@
     "eslint-plugin-storybook": "9.1.3",
     "eslint-plugin-vue": "^10.0.0",
     "globals": "^16.3.0",
-    "happy-dom": "^18.0.0",
+    "happy-dom": "^20.0.7",
     "jsdom": "^26.0.0",
     "msw": "2.10.5",
     "msw-storybook-addon": "2.0.5",