diff --git a/plugins/cartshift/package-lock.json b/plugins/cartshift/package-lock.json
index 9c1c8af1..ce48aec0 100644
--- a/plugins/cartshift/package-lock.json
+++ b/plugins/cartshift/package-lock.json
@@ -13,7 +13,7 @@
       "devDependencies": {
         "@vitejs/plugin-vue": "^6.0.8",
         "@vue/test-utils": "^2.4.11",
-        "happy-dom": "^20.11.2",
+        "happy-dom": "^21.0.4",
         "vite": "^8.2.1",
         "vitest": "^4.1.10"
       }
@@ -1003,9 +1003,9 @@
       }
     },
     "node_modules/happy-dom": {
-      "version": "20.11.2",
-      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-20.11.2.tgz",
-      "integrity": "sha512-7MB+bJLkxu3SowAfBJbjW+c55kNz5tkR45gu2qzrxznezhLeN5YIlJbwUgSzlGc+qWoZ8Ykg71H5ezz69xixrw==",
+      "version": "21.0.4",
+      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-21.0.4.tgz",
+      "integrity": "sha512-tFm+GaLBgo6o0awHnvHaNoraVo27qJ+2tZEtZ+cIa08hXbeitrxAJajLI05hsUy/2/YTKcUjQYzHe5mCcraLBw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
diff --git a/plugins/cartshift/package.json b/plugins/cartshift/package.json
index 1d01a395..c81fe951 100644
--- a/plugins/cartshift/package.json
+++ b/plugins/cartshift/package.json
@@ -16,7 +16,7 @@
   "devDependencies": {
     "@vitejs/plugin-vue": "^6.0.8",
     "@vue/test-utils": "^2.4.11",
-    "happy-dom": "^20.11.2",
+    "happy-dom": "^21.0.4",
     "vite": "^8.2.1",
     "vitest": "^4.1.10"
   },