diff --git a/package-lock.json b/package-lock.json
index 08fd7630..101370a6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -32,7 +32,7 @@
         "@vitest/coverage-istanbul": "^3.2.4",
         "@vue/test-utils": "^1.3.6",
         "@vue/tsconfig": "^0.5.1",
-        "happy-dom": "^18.0.1",
+        "happy-dom": "^19.0.2",
         "typescript": "^5.9.3",
         "vite": "^7.1.5",
         "vitest": "^3.0.2"
@@ -6353,11 +6353,10 @@
       "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": "19.0.2",
+      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-19.0.2.tgz",
+      "integrity": "sha512-831CLbgDyjRbd2lApHZFsBDe56onuFcjsCBPodzWpzedTpeDr8CGZjs7iEIdNW1DVwSFRecfwzLpVyGBPamwGA==",
       "dev": true,
-      "license": "MIT",
       "dependencies": {
         "@types/node": "^20.0.0",
         "@types/whatwg-mimetype": "^3.0.2",
diff --git a/package.json b/package.json
index d89013fc..7b2c6934 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
     "@vitest/coverage-istanbul": "^3.2.4",
     "@vue/test-utils": "^1.3.6",
     "@vue/tsconfig": "^0.5.1",
-    "happy-dom": "^18.0.1",
+    "happy-dom": "^19.0.2",
     "typescript": "^5.9.3",
     "vite": "^7.1.5",
     "vitest": "^3.0.2"