diff --git a/package-lock.json b/package-lock.json
index 4f085f19e..0fd36f932 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -37,7 +37,7 @@
         "@vitest/coverage-v8": "^5.0.5",
         "@vue/test-utils": "^2.5.1",
         "@vue/tsconfig": "^0.9.1",
-        "happy-dom": "^21.0.0",
+        "happy-dom": "^21.0.4",
         "stylelint": "^17.16.0",
         "typescript": "^6.0.3",
         "vite": "^7.3.7",
diff --git a/package.json b/package.json
index 51d1b1e67..3ef0142c5 100644
--- a/package.json
+++ b/package.json
@@ -61,7 +61,7 @@
     "@vitest/coverage-v8": "^5.0.5",
     "@vue/test-utils": "^2.5.1",
     "@vue/tsconfig": "^0.9.1",
-    "happy-dom": "^21.0.0",
+    "happy-dom": "^21.0.4",
     "stylelint": "^17.16.0",
     "typescript": "^6.0.3",
     "vite": "^7.3.7",