diff --git a/package-lock.json b/package-lock.json
index a002649..d326460 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -45,7 +45,7 @@
         "@types/react-dom": "^18.2.22",
         "@vitest/coverage-v8": "^4.1.9",
         "@vitest/ui": "^4.1.9",
-        "happy-dom": "^20.9.0",
+        "happy-dom": "^21.0.4",
         "msw": "^2.11.1",
         "node-fetch": "^3.3.2",
         "prettier": "^3.6.2",
@@ -4611,6 +4611,19 @@
       "resolved": "https://registry.npmjs.org/buffer-equal-constant-time/-/buffer-equal-constant-time-1.0.1.tgz",
       "integrity": "sha512-zRpUiDwd/xk6ADqPMATG8vc9VPrkck7T07OIx0gnjmJAnHnTVXNQG3vfvWNuiZIkwu9KrKdA1iJKfsfTVxE6NA=="
     },
+    "node_modules/buffer-image-size": {
+      "version": "0.6.4",
+      "resolved": "https://registry.npmjs.org/buffer-image-size/-/buffer-image-size-0.6.4.tgz",
+      "integrity": "sha512-nEh+kZOPY1w+gcCMobZ6ETUp9WfibndnosbpwB1iJk/8Gt5ZF2bhS6+B6bPYz424KtwsR6Rflc3tCz1/ghX2dQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@types/node": "*"
+      },
+      "engines": {
+        "node": ">=4.0"
+      }
+    },
     "node_modules/camelcase-css": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/camelcase-css/-/camelcase-css-2.0.1.tgz",
@@ -5824,18 +5837,19 @@
       }
     },
     "node_modules/happy-dom": {
-      "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==",
+      "version": "21.0.4",
+      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-21.0.4.tgz",
+      "integrity": "sha512-tFm+GaLBgo6o0awHnvHaNoraVo27qJ+2tZEtZ+cIa08hXbeitrxAJajLI05hsUy/2/YTKcUjQYzHe5mCcraLBw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
         "@types/node": ">=20.0.0",
         "@types/whatwg-mimetype": "^3.0.2",
         "@types/ws": "^8.18.1",
+        "buffer-image-size": "^0.6.4",
         "entities": "^7.0.1",
         "whatwg-mimetype": "^3.0.0",
-        "ws": "^8.18.3"
+        "ws": "^8.21.0"
       },
       "engines": {
         "node": ">=20.0.0"
diff --git a/package.json b/package.json
index 39cea61..c767807 100644
--- a/package.json
+++ b/package.json
@@ -75,7 +75,7 @@
     "@types/react-dom": "^18.2.22",
     "@vitest/coverage-v8": "^4.1.9",
     "@vitest/ui": "^4.1.9",
-    "happy-dom": "^20.9.0",
+    "happy-dom": "^21.0.4",
     "msw": "^2.11.1",
     "node-fetch": "^3.3.2",
     "prettier": "^3.6.2",