diff --git a/agentex-ui/package-lock.json b/agentex-ui/package-lock.json
index 3e2af7a..f7cfa9c 100644
--- a/agentex-ui/package-lock.json
+++ b/agentex-ui/package-lock.json
@@ -57,7 +57,7 @@
         "eslint-config-next": "15.4.5",
         "eslint-config-prettier": "^9.1.0",
         "eslint-plugin-prettier": "^5.2.1",
-        "happy-dom": "^20.0.10",
+        "happy-dom": "^20.8.8",
         "jsdom": "^27.1.0",
         "prettier": "^3.4.2",
         "prettier-plugin-tailwindcss": "^0.7.1",
@@ -3728,6 +3728,16 @@
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       "dev": true
     },
+    "node_modules/@types/ws": {
+      "version": "8.18.1",
+      "resolved": "https://registry.npmjs.org/@types/ws/-/ws-8.18.1.tgz",
+      "integrity": "sha512-ThVF6DCVhA8kUGy+aazFQ4kXQ7E1Ty7A3ypFOe0IcJV8O/M511G99AW24irKrW56Wt44yG9+ij8FaqoBGkuBXg==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@types/node": "*"
+      }
+    },
     "node_modules/@typescript-eslint/eslint-plugin": {
       "version": "8.39.0",
       "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-8.39.0.tgz",
@@ -6648,19 +6658,36 @@
       "license": "MIT"
     },
     "node_modules/happy-dom": {
-      "version": "20.0.10",
-      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-20.0.10.tgz",
-      "integrity": "sha512-6umCCHcjQrhP5oXhrHQQvLB0bwb1UzHAHdsXy+FjtKoYjUhmNZsQL8NivwM1vDvNEChJabVrUYxUnp/ZdYmy2g==",
+      "version": "20.8.8",
+      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-20.8.8.tgz",
+      "integrity": "sha512-5/F8wxkNxYtsN0bXfMwIyNLZ9WYsoOYPbmoluqVJqv8KBUbcyKZawJ7uYK4WTX8IHBLYv+VXIwfeNDPy1oKMwQ==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
-        "@types/node": "^20.0.0",
+        "@types/node": ">=20.0.0",
         "@types/whatwg-mimetype": "^3.0.2",
-        "whatwg-mimetype": "^3.0.0"
+        "@types/ws": "^8.18.1",
+        "entities": "^7.0.1",
+        "whatwg-mimetype": "^3.0.0",
+        "ws": "^8.18.3"
       },
       "engines": {
         "node": ">=20.0.0"
       }
     },
+    "node_modules/happy-dom/node_modules/entities": {
+      "version": "7.0.1",
+      "resolved": "https://registry.npmjs.org/entities/-/entities-7.0.1.tgz",
+      "integrity": "sha512-TWrgLOFUQTH994YUyl1yT4uyavY5nNB5muff+RtWaqNVCAK408b5ZnnbNAUEWLTCpum9w6arT70i1XdQ4UeOPA==",
+      "dev": true,
+      "license": "BSD-2-Clause",
+      "engines": {
+        "node": ">=0.12"
+      },
+      "funding": {
+        "url": "https://github.com/fb55/entities?sponsor=1"
+      }
+    },
     "node_modules/has-bigints": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/has-bigints/-/has-bigints-1.1.0.tgz",
diff --git a/agentex-ui/package.json b/agentex-ui/package.json
index 6ff00a9..ff21751 100644
--- a/agentex-ui/package.json
+++ b/agentex-ui/package.json
@@ -73,7 +73,7 @@
     "eslint-config-next": "15.4.5",
     "eslint-config-prettier": "^9.1.0",
     "eslint-plugin-prettier": "^5.2.1",
-    "happy-dom": "^20.0.10",
+    "happy-dom": "^20.8.8",
     "jsdom": "^27.1.0",
     "prettier": "^3.4.2",
     "prettier-plugin-tailwindcss": "^0.7.1",