diff --git a/package-lock.json b/package-lock.json
index 81d0b99408..e4ad54549b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -25,7 +25,7 @@
         "github-slugger": "2.0.0",
         "globals": "17.13.0",
         "gray-matter": "4.0.3",
-        "happy-dom": "20.14.6",
+        "happy-dom": "21.0.1",
         "hast-util-to-string": "3.0.1",
         "htmlhint": "1.9.2",
         "js-yaml": "5.4.3",
@@ -7785,9 +7785,9 @@
       "license": "MIT"
     },
     "node_modules/happy-dom": {
-      "version": "20.14.6",
-      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-20.14.6.tgz",
-      "integrity": "sha512-5DDsf4QmEIlRL6NkCv/fxSjYHHkZceL/IaYQdJc2h3G7DRTEai++VTjbfL0LB9geW2VrA3+vrjF3Efx+OTtX0Q==",
+      "version": "21.0.1",
+      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-21.0.1.tgz",
+      "integrity": "sha512-pRBs/u9fhrncyByOl58DMex0R2uAj6ZPKWIjV5j5yNGZBqLw3P6BTRhlc0DD5b/Ht4/6JYTMuE2LJhUWRC6SGw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
diff --git a/package.json b/package.json
index 536ca381c1..fff284c072 100644
--- a/package.json
+++ b/package.json
@@ -190,7 +190,7 @@
     "github-slugger": "2.0.0",
     "globals": "17.13.0",
     "gray-matter": "4.0.3",
-    "happy-dom": "20.14.6",
+    "happy-dom": "21.0.1",
     "hast-util-to-string": "3.0.1",
     "htmlhint": "1.9.2",
     "js-yaml": "5.4.3",