diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index 681dbe0bb..467c4e7ff 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -53,7 +53,7 @@
         "autoprefixer": "^10.4.23",
         "browserslist-to-esbuild": "^2.1.1",
         "graphql": "^16.12.0",
-        "happy-dom": "^20.0.11",
+        "happy-dom": "^20.5.0",
         "i18next-cli": "^1.36.1",
         "knip": "^5.81.0",
         "msw": "^2.12.8",
@@ -7602,6 +7602,19 @@
         "node": ">=14"
       }
     },
+    "node_modules/entities": {
+      "version": "4.5.0",
+      "resolved": "https://registry.npmjs.org/entities/-/entities-4.5.0.tgz",
+      "integrity": "sha512-V0hjH4dGPh9Ao5p0MoRY6BVqtwCjhz6vI5LT8AJ55H+4g9/4vbHx1I54fS0XuclLhDHArPQCiMjDxjaL8fPxhw==",
+      "dev": true,
+      "license": "BSD-2-Clause",
+      "engines": {
+        "node": ">=0.12"
+      },
+      "funding": {
+        "url": "https://github.com/fb55/entities?sponsor=1"
+      }
+    },
     "node_modules/env-paths": {
       "version": "2.2.1",
       "resolved": "https://registry.npmjs.org/env-paths/-/env-paths-2.2.1.tgz",
@@ -8488,37 +8501,23 @@
       }
     },
     "node_modules/happy-dom": {
-      "version": "20.0.11",
-      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-20.0.11.tgz",
-      "integrity": "sha512-QsCdAUHAmiDeKeaNojb1OHOPF7NjcWPBR7obdu3NwH2a/oyQaLg5d0aaCy/9My6CdPChYF07dvz5chaXBGaD4g==",
+      "version": "20.5.0",
+      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-20.5.0.tgz",
+      "integrity": "sha512-VQe+Q5CYiGOgcCERXhcfNsbnrN92FDEKciMH/x6LppU9dd0j4aTjCTlqONFOIMcAm/5JxS3+utowbXV1OoFr+g==",
       "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": "^4.5.0",
+        "whatwg-mimetype": "^3.0.0",
+        "ws": "^8.18.3"
       },
       "engines": {
         "node": ">=20.0.0"
       }
     },
-    "node_modules/happy-dom/node_modules/@types/node": {
-      "version": "20.19.27",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.19.27.tgz",
-      "integrity": "sha512-N2clP5pJhB2YnZJ3PIHFk5RkygRX5WO/5f0WC08tp0wd+sv0rsJk3MqWn3CbNmT2J505a5336jaQj4ph1AdMug==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "undici-types": "~6.21.0"
-      }
-    },
-    "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==",
-      "dev": true,
-      "license": "MIT"
-    },
     "node_modules/has-flag": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-4.0.0.tgz",
diff --git a/frontend/package.json b/frontend/package.json
index 52d89c164..e8706ad64 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -63,7 +63,7 @@
     "autoprefixer": "^10.4.23",
     "browserslist-to-esbuild": "^2.1.1",
     "graphql": "^16.12.0",
-    "happy-dom": "^20.0.11",
+    "happy-dom": "^20.5.0",
     "i18next-cli": "^1.36.1",
     "knip": "^5.81.0",
     "msw": "^2.12.8",