diff --git a/package-lock.json b/package-lock.json
index 22fbb4b6..6b976805 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -37,7 +37,7 @@
                 "diff": "^7.0.0",
                 "eslint": "^9.10.0",
                 "eslint-plugin-vue": "^9.28.0",
-                "happy-dom": "^20.3.1",
+                "happy-dom": "^20.3.3",
                 "husky": "^9.0.11",
                 "jsdom": "^24.1.0",
                 "mathjs": "^12.4.1",
@@ -3193,14 +3193,15 @@
             "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": "20.3.3",
+            "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-20.3.3.tgz",
+            "integrity": "sha512-hM9gltmtQLfmWPqoPreUtRdP3nZCSzQEw7l/JC+up5CxquDykhYFKzIzoFFeVev3AGFEULNvsbE8fpZPgxUYEQ==",
             "dev": true,
             "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"
             },
@@ -8081,14 +8082,15 @@
             "dev": true
         },
         "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": "20.3.3",
+            "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-20.3.3.tgz",
+            "integrity": "sha512-hM9gltmtQLfmWPqoPreUtRdP3nZCSzQEw7l/JC+up5CxquDykhYFKzIzoFFeVev3AGFEULNvsbE8fpZPgxUYEQ==",
             "dev": true,
             "requires": {
-                "@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"
             },
diff --git a/package.json b/package.json
index 4a4010d8..93737060 100644
--- a/package.json
+++ b/package.json
@@ -114,7 +114,7 @@
         "diff": "^7.0.0",
         "eslint": "^9.10.0",
         "eslint-plugin-vue": "^9.28.0",
-        "happy-dom": "^20.3.1",
+        "happy-dom": "^20.3.3",
         "husky": "^9.0.11",
         "jsdom": "^24.1.0",
         "mathjs": "^12.4.1",