diff --git a/package-lock.json b/package-lock.json
index 4bf38c0..b2af417 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -18,7 +18,7 @@
         "@types/node": "^25.0.9",
         "@vitest/coverage-v8": "^4.0.17",
         "eslint": "^9.29.0",
-        "happy-dom": "^20.3.1",
+        "happy-dom": "^20.3.7",
         "typedoc": "^0.28.16",
         "typescript": "^5.9.3",
         "vitest": "^4.0.7"
@@ -3024,15 +3024,16 @@
       "license": "MIT"
     },
     "node_modules/happy-dom": {
-      "version": "20.3.1",
-      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-20.3.1.tgz",
-      "integrity": "sha512-tLvsizNno05Hij0PoB0QN/S8xf0YU2AGvO11/JlJDw5McA/gzyn0Ni1RwbTI1/zteUbOekJH0t6q8HFvjbxsGg==",
+      "version": "20.3.7",
+      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-20.3.7.tgz",
+      "integrity": "sha512-sb5IzoRl1WJKsUSRe+IloJf3z1iDq5PQ7Yk/ULMsZ5IAQEs9ZL7RsFfiKBXU7nK9QmO+iz0e59EH8r8jexTZ/g==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@types/node": "^20.0.0",
+        "@types/node": ">=20.0.0",
         "@types/whatwg-mimetype": "^3.0.2",
         "@types/ws": "^8.18.1",
+        "entities": "^4.5.0",
         "whatwg-mimetype": "^3.0.0",
         "ws": "^8.18.3"
       },
@@ -3040,23 +3041,6 @@
         "node": ">=20.0.0"
       }
     },
-    "node_modules/happy-dom/node_modules/@types/node": {
-      "version": "20.19.1",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.19.1.tgz",
-      "integrity": "sha512-jJD50LtlD2dodAEO653i3YF04NWak6jN3ky+Ri3Em3mGR39/glWiboM/IePaRbgwSfqM1TpGXfAg8ohn/4dTgA==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "undici-types": "~6.21.0"
-      }
-    },
-    "node_modules/happy-dom/node_modules/undici-types": {
-      "version": "6.21.0",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.21.0.tgz",
-      "integrity": "sha512-iwDZqg0QAGrg9Rav5H4n0M64c3mkR59cJ6wQp+7C4nI0gsmExaedaYLNO44eT4AtBBwjbTiGPMlt2Md0T9H9JQ==",
-      "dev": true,
-      "license": "MIT"
-    },
     "node_modules/has-flag": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-4.0.0.tgz",
diff --git a/package.json b/package.json
index dad7239..a32b014 100644
--- a/package.json
+++ b/package.json
@@ -54,7 +54,7 @@
     "@types/node": "^25.0.9",
     "@vitest/coverage-v8": "^4.0.17",
     "eslint": "^9.29.0",
-    "happy-dom": "^20.3.1",
+    "happy-dom": "^20.3.7",
     "typedoc": "^0.28.16",
     "typescript": "^5.9.3",
     "vitest": "^4.0.7"