diff --git a/cloudproxy-ui/package-lock.json b/cloudproxy-ui/package-lock.json
index 3f78113..fc57769 100644
--- a/cloudproxy-ui/package-lock.json
+++ b/cloudproxy-ui/package-lock.json
@@ -31,7 +31,7 @@
         "cypress": "^14.5.4",
         "eslint": "^8.57.0",
         "eslint-plugin-vue": "^9.22.0",
-        "happy-dom": "^18.0.1",
+        "happy-dom": "^20.9.0",
         "msw": "^2.10.5",
         "vitest": "^3.2.4",
         "wait-on": "^8.0.4"
@@ -3723,9 +3723,9 @@
       "license": "MIT"
     },
     "node_modules/@types/ws": {
-      "version": "8.5.14",
-      "resolved": "https://registry.npmjs.org/@types/ws/-/ws-8.5.14.tgz",
-      "integrity": "sha512-bd/YFLW+URhBzMXurx7lWByOu+xzU9+kb3RboOteXYDfW+tr+JZa99OyNmPINEGB/ahzKrEuc8rcv4gnpJmxTw==",
+      "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": {
@@ -9420,36 +9420,57 @@
       "license": "MIT"
     },
     "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": "20.9.0",
+      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-20.9.0.tgz",
+      "integrity": "sha512-GZZ9mKe8r646NUAf/zemnGbjYh4Bt8/MqASJY+pSm5ZDtc3YQox+4gsLI7yi1hba6o+eCsGxpHn5+iEVn31/FQ==",
       "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/@types/node": {
-      "version": "20.19.11",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.19.11.tgz",
-      "integrity": "sha512-uug3FEEGv0r+jrecvUUpbY8lLisvIjg6AAic6a2bSP5OEOLeJsDSnvhCDov7ipFFMXS3orMpzlmi0ZcuGkBbow==",
+    "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": "MIT",
-      "dependencies": {
-        "undici-types": "~6.21.0"
+      "license": "BSD-2-Clause",
+      "engines": {
+        "node": ">=0.12"
+      },
+      "funding": {
+        "url": "https://github.com/fb55/entities?sponsor=1"
       }
     },
-    "node_modules/happy-dom/node_modules/undici-types": {
-      "version": "6.21.0",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.21.0.tgz",
-      "integrity": "sha512-iwDZqg0QAGrg9Rav5H4n0M64c3mkR59cJ6wQp+7C4nI0gsmExaedaYLNO44eT4AtBBwjbTiGPMlt2Md0T9H9JQ==",
+    "node_modules/happy-dom/node_modules/ws": {
+      "version": "8.20.0",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-8.20.0.tgz",
+      "integrity": "sha512-sAt8BhgNbzCtgGbt2OxmpuryO63ZoDk/sqaB/znQm94T4fCEsy/yV+7CdC1kJhOU9lboAEU7R3kquuycDoibVA==",
       "dev": true,
-      "license": "MIT"
+      "license": "MIT",
+      "engines": {
+        "node": ">=10.0.0"
+      },
+      "peerDependencies": {
+        "bufferutil": "^4.0.1",
+        "utf-8-validate": ">=5.0.2"
+      },
+      "peerDependenciesMeta": {
+        "bufferutil": {
+          "optional": true
+        },
+        "utf-8-validate": {
+          "optional": true
+        }
+      }
     },
     "node_modules/has-bigints": {
       "version": "1.1.0",
@@ -17037,21 +17058,6 @@
       "dev": true,
       "license": "ISC"
     },
-    "node_modules/yaml": {
-      "version": "2.8.1",
-      "resolved": "https://registry.npmjs.org/yaml/-/yaml-2.8.1.tgz",
-      "integrity": "sha512-lcYcMxX2PO9XMGvAJkJ3OsNMw+/7FKes7/hgerGUYWIoWu5j/+YQqcZr5JnPZWzOsEBgMbSbiSTn/dv/69Mkpw==",
-      "dev": true,
-      "license": "ISC",
-      "optional": true,
-      "peer": true,
-      "bin": {
-        "yaml": "bin.mjs"
-      },
-      "engines": {
-        "node": ">= 14.6"
-      }
-    },
     "node_modules/yargs": {
       "version": "16.2.0",
       "resolved": "https://registry.npmjs.org/yargs/-/yargs-16.2.0.tgz",
diff --git a/cloudproxy-ui/package.json b/cloudproxy-ui/package.json
index 0d70f80..c87ab18 100644
--- a/cloudproxy-ui/package.json
+++ b/cloudproxy-ui/package.json
@@ -39,7 +39,7 @@
     "cypress": "^14.5.4",
     "eslint": "^8.57.0",
     "eslint-plugin-vue": "^9.22.0",
-    "happy-dom": "^18.0.1",
+    "happy-dom": "^20.9.0",
     "msw": "^2.10.5",
     "vitest": "^3.2.4",
     "wait-on": "^8.0.4"