diff --git a/src/vscode-bicep-ui/package-lock.json b/src/vscode-bicep-ui/package-lock.json
index 33f658ed8d7..0038464d87b 100644
--- a/src/vscode-bicep-ui/package-lock.json
+++ b/src/vscode-bicep-ui/package-lock.json
@@ -6602,9 +6602,9 @@
       "license": "MIT"
     },
     "node_modules/happy-dom": {
-      "version": "15.10.1",
-      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-15.10.1.tgz",
-      "integrity": "sha512-FuGnj/qIB4QnBL6fWmD7Wnh6STxevLgOVWB6+nopDGgWG1+t9CXkNB2ldZ+iqwD2UKxD2D0SU8el8A6AX6Q1+g==",
+      "version": "15.10.2",
+      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-15.10.2.tgz",
+      "integrity": "sha512-NbA5XrSovenJIIcfixCREX3ZnV7yHP4phhbfuxxf4CPn+LZpz/jIM9EqJ2DrPwgVDSMoAKH3pZwQvkbsSiCrUw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -10390,7 +10390,7 @@
         "@vscode/codicons": "^0.0.36",
         "eslint-plugin-storybook": "^0.9.0",
         "eslint-plugin-testing-library": "^6.4.0",
-        "happy-dom": "^15.10.1",
+        "happy-dom": "^15.10.2",
         "rollup-plugin-peer-deps-external": "^2.2.4",
         "storybook": "^8.3.0",
         "styled-components": "^6.1.13",
@@ -10417,7 +10417,7 @@
         "@types/react-dom": "^18.3.1",
         "@types/vscode-webview": "^1.57.5",
         "@vitest/coverage-v8": "^2.1.3",
-        "happy-dom": "^15.10.1",
+        "happy-dom": "^15.10.2",
         "vite": "^5.4.8",
         "vite-plugin-dts": "^4.2.3",
         "vitest": "^2.1.3"
diff --git a/src/vscode-bicep-ui/packages/components/package.json b/src/vscode-bicep-ui/packages/components/package.json
index c327caad60e..0946e26a2b2 100644
--- a/src/vscode-bicep-ui/packages/components/package.json
+++ b/src/vscode-bicep-ui/packages/components/package.json
@@ -43,7 +43,7 @@
     "@vscode/codicons": "^0.0.36",
     "eslint-plugin-storybook": "^0.9.0",
     "eslint-plugin-testing-library": "^6.4.0",
-    "happy-dom": "^15.10.1",
+    "happy-dom": "^15.10.2",
     "rollup-plugin-peer-deps-external": "^2.2.4",
     "storybook": "^8.3.0",
     "styled-components": "^6.1.13",
diff --git a/src/vscode-bicep-ui/packages/messaging/package.json b/src/vscode-bicep-ui/packages/messaging/package.json
index d4e855999c4..6e0b7d8916a 100644
--- a/src/vscode-bicep-ui/packages/messaging/package.json
+++ b/src/vscode-bicep-ui/packages/messaging/package.json
@@ -24,7 +24,7 @@
     "@types/react-dom": "^18.3.1",
     "@types/vscode-webview": "^1.57.5",
     "@vitest/coverage-v8": "^2.1.3",
-    "happy-dom": "^15.10.1",
+    "happy-dom": "^15.10.2",
     "vite": "^5.4.8",
     "vite-plugin-dts": "^4.2.3",
     "vitest": "^2.1.3"