diff --git a/package-lock.json b/package-lock.json
index 2ead4ef9..86738943 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -67,7 +67,7 @@
         "@yankeeinlondon/builder-api": "^1.4.1",
         "esbuild": "^0.18.10",
         "gray-matter": "^4.0.3",
-        "happy-dom": "^9.20.3",
+        "happy-dom": "^12.9.0",
         "inferred-types": "^0.37.6",
         "markdown-it-anchor": "^8.6.7",
         "markdown-it-prism": "^2.3.0",
@@ -4976,9 +4976,9 @@
       }
     },
     "node_modules/happy-dom": {
-      "version": "9.20.3",
-      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-9.20.3.tgz",
-      "integrity": "sha512-eBsgauT435fXFvQDNcmm5QbGtYzxEzOaX35Ia+h6yP/wwa4xSWZh1CfP+mGby8Hk6Xu59mTkpyf72rUXHNxY7A==",
+      "version": "12.9.0",
+      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-12.9.0.tgz",
+      "integrity": "sha512-Ap/bcno2k5316FYDqBJ2i0O1zS78W1jsNR4F/p2t3zdNoa+2H0k851RGef4STfIKdTwcQ/nk5Tx9d5BzQXfTrw==",
       "dev": true,
       "dependencies": {
         "css.escape": "^1.5.1",
@@ -12607,9 +12607,9 @@
       }
     },
     "happy-dom": {
-      "version": "9.20.3",
-      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-9.20.3.tgz",
-      "integrity": "sha512-eBsgauT435fXFvQDNcmm5QbGtYzxEzOaX35Ia+h6yP/wwa4xSWZh1CfP+mGby8Hk6Xu59mTkpyf72rUXHNxY7A==",
+      "version": "12.9.0",
+      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-12.9.0.tgz",
+      "integrity": "sha512-Ap/bcno2k5316FYDqBJ2i0O1zS78W1jsNR4F/p2t3zdNoa+2H0k851RGef4STfIKdTwcQ/nk5Tx9d5BzQXfTrw==",
       "dev": true,
       "requires": {
         "css.escape": "^1.5.1",
diff --git a/package.json b/package.json
index a5a6f5ac..186837d6 100644
--- a/package.json
+++ b/package.json
@@ -74,7 +74,7 @@
     "@yankeeinlondon/builder-api": "^1.4.1",
     "esbuild": "^0.18.10",
     "gray-matter": "^4.0.3",
-    "happy-dom": "^9.20.3",
+    "happy-dom": "^12.9.0",
     "inferred-types": "^0.37.6",
     "markdown-it-anchor": "^8.6.7",
     "markdown-it-prism": "^2.3.0",