diff --git a/package-lock.json b/package-lock.json
index 0be8ef7..fe794b0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -23,7 +23,7 @@
                 "eslint-plugin-svelte": "^3.19.0",
                 "fast-check": "^4.8.0",
                 "globals": "^17.6.0",
-                "happy-dom": "^20.9.0",
+                "happy-dom": "^20.10.1",
                 "jsdom": "^29.1.1",
                 "prettier": "^3.0.0",
                 "prettier-plugin-svelte": "^4.1.0",
@@ -2993,6 +2993,19 @@
                 "node": "18 || 20 || >=22"
             }
         },
+        "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/chai": {
             "version": "6.2.2",
             "resolved": "https://registry.npmjs.org/chai/-/chai-6.2.2.tgz",
@@ -3676,15 +3689,16 @@
             "license": "ISC"
         },
         "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": "20.10.1",
+            "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-20.10.1.tgz",
+            "integrity": "sha512-awPoqPjx8CgjapJllyDlgzgVHjBExcitKK5ZJkxwhQJyQpHFkyS2bEcqCm7IeW20cQvuCI0cz2Ifq79CJKqtiw==",
             "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"
diff --git a/package.json b/package.json
index fc73bb3..8cba35c 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
         "eslint-plugin-svelte": "^3.19.0",
         "fast-check": "^4.8.0",
         "globals": "^17.6.0",
-        "happy-dom": "^20.9.0",
+        "happy-dom": "^20.10.1",
         "jsdom": "^29.1.1",
         "prettier": "^3.0.0",
         "prettier-plugin-svelte": "^4.1.0",