diff --git a/package-lock.json b/package-lock.json
index 267c5ba0..f562e4ee 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -37,7 +37,7 @@
         "@wordpress/url": "4.6.0",
         "eslint": "8.57.0",
         "fork-ts-checker-webpack-plugin": "9.0.2",
-        "happy-dom": "15.0.0",
+        "happy-dom": "15.7.3",
         "phplint": "2.0.5",
         "prettier": "npm:wp-prettier@2.8.5",
         "react": "18.3.1",
@@ -17077,9 +17077,9 @@
       "dev": true
     },
     "node_modules/happy-dom": {
-      "version": "15.0.0",
-      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-15.0.0.tgz",
-      "integrity": "sha512-DsvANUcxxY20iCo3Yllm7dqwzPVPduGfVFxa7mONwMBLczFeQgkN0LpDir1kIY322JMh+hrcPV3aGLyHCESDlA==",
+      "version": "15.7.3",
+      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-15.7.3.tgz",
+      "integrity": "sha512-w3RUaYNXFJX5LiNVhOJLK4GqCB1bFj1FvELtpon3HrN8gUpS09V0Vvm4/BBRRj7mLUE1+ch8PKv1JxEp/0IHjA==",
       "dev": true,
       "dependencies": {
         "entities": "^4.5.0",
diff --git a/package.json b/package.json
index 21bcdccc..b5a35e7e 100644
--- a/package.json
+++ b/package.json
@@ -70,7 +70,7 @@
     "@wordpress/url": "4.6.0",
     "eslint": "8.57.0",
     "fork-ts-checker-webpack-plugin": "9.0.2",
-    "happy-dom": "15.0.0",
+    "happy-dom": "15.7.3",
     "phplint": "2.0.5",
     "prettier": "npm:wp-prettier@2.8.5",
     "react": "18.3.1",