diff --git a/frontend/package.json b/frontend/package.json
index 81cf64db9..3e8a9bfe7 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -130,7 +130,7 @@
     "esbuild": "0.27.2",
     "eslint": "9.39.2",
     "eslint-plugin-vue": "10.6.2",
-    "happy-dom": "20.1.0",
+    "happy-dom": "20.3.0",
     "histoire": "1.0.0-beta.1",
     "postcss": "8.5.6",
     "postcss-easing-gradients": "3.0.1",
diff --git a/frontend/pnpm-lock.yaml b/frontend/pnpm-lock.yaml
index b7b7bf4f7..0b0639586 100644
--- a/frontend/pnpm-lock.yaml
+++ b/frontend/pnpm-lock.yaml
@@ -249,8 +249,8 @@ importers:
         specifier: 10.6.2
         version: 10.6.2(@typescript-eslint/parser@8.53.0(eslint@9.39.2(jiti@2.4.2))(typescript@5.9.3))(eslint@9.39.2(jiti@2.4.2))(vue-eslint-parser@10.2.0(eslint@9.39.2(jiti@2.4.2)))
       happy-dom:
-        specifier: 20.1.0
-        version: 20.1.0
+        specifier: 20.3.0
+        version: 20.3.0
       histoire:
         specifier: 1.0.0-beta.1
         version: 1.0.0-beta.1(@types/node@22.19.6)(sass-embedded@1.97.2)(sass@1.97.2)(terser@5.31.6)(vite@7.3.1(@types/node@22.19.6)(jiti@2.4.2)(sass-embedded@1.97.2)(sass@1.97.2)(terser@5.31.6)(yaml@2.5.0))(yaml@2.5.0)
@@ -310,7 +310,7 @@ importers:
         version: 5.1.0(vue@3.5.26(typescript@5.9.3))
       vitest:
         specifier: 3.2.4
-        version: 3.2.4(@types/node@22.19.6)(happy-dom@20.1.0)(jiti@2.4.2)(jsdom@27.4.0)(sass-embedded@1.97.2)(sass@1.97.2)(terser@5.31.6)(yaml@2.5.0)
+        version: 3.2.4(@types/node@22.19.6)(happy-dom@20.3.0)(jiti@2.4.2)(jsdom@27.4.0)(sass-embedded@1.97.2)(sass@1.97.2)(terser@5.31.6)(yaml@2.5.0)
       vue-tsc:
         specifier: 3.2.2
         version: 3.2.2(typescript@5.9.3)
@@ -4089,8 +4089,8 @@ packages:
     resolution: {integrity: sha512-5v6yZd4JK3eMI3FqqCouswVqwugaA9r4dNZB1wwcmrD02QkV5H0y7XBQW8QwQqEaZY1pM9aqORSORhJRdNK44Q==}
     engines: {node: '>=6.0'}
 
-  happy-dom@20.1.0:
-    resolution: {integrity: sha512-ebvqjBqzenBk2LjzNEAzoj7yhw7rW/R2/wVevMu6Mrq3MXtcI/RUz4+ozpcOcqVLEWPqLfg2v9EAU7fFXZUUJw==}
+  happy-dom@20.3.0:
+    resolution: {integrity: sha512-5qJbkqcvR8j/a4av5IWqqIWmEGf9dt6OhGMS6qxCgjSOBGzGa5XLoqg40OyD8XNzQ+g1g2zsXi10kjfpzYH55Q==}
     engines: {node: '>=20.0.0'}
 
   hard-rejection@2.1.0:
@@ -6744,18 +6744,6 @@ packages:
     resolution: {integrity: sha512-+QU2zd6OTD8XWIJCbffaiQeH9U73qIqafo1x6V1snCWYGJf6cVE0cDR4D8xRzcEnfI21IFrUPzPGtcPf8AC+Rw==}
     engines: {node: ^14.17.0 || ^16.13.0 || >=18.0.0}
 
-  ws@8.18.0:
-    resolution: {integrity: sha512-8VbfWfHLbbwu3+N6OKsOMpBdT4kXPDDB9cJk2bJ6mh9ucxdlnNvH1e+roYkKmN9Nxw2yjz7VzeO9oOz2zJ04Pw==}
-    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
-
   ws@8.19.0:
     resolution: {integrity: sha512-blAT2mjOEIi0ZzruJfIhb3nps74PRWTCz1IjglWEEpQl5XS/UNama6u2/rjFkDDouqr4L67ry+1aGIALViWjDg==}
     engines: {node: '>=10.0.0'}
@@ -10928,7 +10916,7 @@ snapshots:
       section-matter: 1.0.0
       strip-bom-string: 1.0.0
 
-  happy-dom@20.1.0:
+  happy-dom@20.3.0:
     dependencies:
       '@types/node': 20.19.0
       '@types/whatwg-mimetype': 3.0.2
@@ -12328,7 +12316,7 @@ snapshots:
       debug: 4.4.3
       devtools-protocol: 0.0.1367902
       typed-query-selector: 2.12.0
-      ws: 8.18.0
+      ws: 8.19.0
     transitivePeerDependencies:
       - bare-buffer
       - bufferutil
@@ -13573,7 +13561,7 @@ snapshots:
       terser: 5.31.6
       yaml: 2.5.0
 
-  vitest@3.2.4(@types/node@22.19.6)(happy-dom@20.1.0)(jiti@2.4.2)(jsdom@27.4.0)(sass-embedded@1.97.2)(sass@1.97.2)(terser@5.31.6)(yaml@2.5.0):
+  vitest@3.2.4(@types/node@22.19.6)(happy-dom@20.3.0)(jiti@2.4.2)(jsdom@27.4.0)(sass-embedded@1.97.2)(sass@1.97.2)(terser@5.31.6)(yaml@2.5.0):
     dependencies:
       '@types/chai': 5.2.2
       '@vitest/expect': 3.2.4
@@ -13600,7 +13588,7 @@ snapshots:
       why-is-node-running: 2.3.0
     optionalDependencies:
       '@types/node': 22.19.6
-      happy-dom: 20.1.0
+      happy-dom: 20.3.0
       jsdom: 27.4.0
     transitivePeerDependencies:
       - jiti
@@ -13930,8 +13918,6 @@ snapshots:
       imurmurhash: 0.1.4
       signal-exit: 4.1.0
 
-  ws@8.18.0: {}
-
   ws@8.19.0: {}
 
   wsl-utils@0.1.0: