diff --git a/package-lock.json b/package-lock.json
index 84d48c8c..0c17f2f3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -32,7 +32,7 @@
         "@zamiell/typedoc-plugin-not-exported": "^0.2.0",
         "gettext-extractor": "^3.8.0",
         "gettext-parser": "^7.0.1",
-        "happy-dom": "^11.0.2",
+        "happy-dom": "^12.0.1",
         "sass": "^1.67.0",
         "tslib": "^2.6.2",
         "typedoc": "^0.25.1",
@@ -8597,9 +8597,9 @@
       "peer": true
     },
     "node_modules/happy-dom": {
-      "version": "11.0.2",
-      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-11.0.2.tgz",
-      "integrity": "sha512-0yyYIBCByZVgWNuM+/tXXaAR+YUjsoXmzDisQ/KPI7Dt9kXtsPUOU6JAc/isVxridmeSb9/icthsaAhUBKJa4g==",
+      "version": "12.0.1",
+      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-12.0.1.tgz",
+      "integrity": "sha512-kBH54b92GFP3pn9tdMBAtjNHoddE4om6vfFoTme2PCG6u/YYiYKas2yxJCd5MAINX+pYfalfpUKQHVQDTljLnw==",
       "dev": true,
       "dependencies": {
         "css.escape": "^1.5.1",
diff --git a/package.json b/package.json
index faea2ee0..ae915dc4 100644
--- a/package.json
+++ b/package.json
@@ -78,7 +78,7 @@
     "@zamiell/typedoc-plugin-not-exported": "^0.2.0",
     "gettext-extractor": "^3.8.0",
     "gettext-parser": "^7.0.1",
-    "happy-dom": "^11.0.2",
+    "happy-dom": "^12.0.1",
     "sass": "^1.67.0",
     "tslib": "^2.6.2",
     "typedoc": "^0.25.1",