diff --git a/index.js b/index.js
index 0dccc648..432ec342 100644
--- a/index.js
+++ b/index.js
@@ -2,7 +2,7 @@
 const webidlWrapper = require('./webidl2js-wrapper.js');
 
 const sharedGlobalObject = {};
-webidlWrapper.install(sharedGlobalObject);
+webidlWrapper.install(sharedGlobalObject, ['Window']);
 
 const origCSSStyleDeclaration = sharedGlobalObject.CSSStyleDeclaration;
 
diff --git a/package-lock.json b/package-lock.json
index a42926be..49508ca8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -6787,26 +6787,32 @@
       "integrity": "sha512-jTZAeJnc6D+yAOjygbJOs33kVQIk5H6fj9SFDOhIKjsf9HiAzL/c+tAJsc8ASWafvhNkH+wJZms47pmajkhatA=="
     },
     "webidl2": {
-      "version": "23.11.0",
-      "resolved": "https://registry.npmjs.org/webidl2/-/webidl2-23.11.0.tgz",
-      "integrity": "sha512-JLWqpTKJZ9xMwool+DFLuDA+BPu44FRJunsmZeiPH2y2xRZwN8TGa7yryA5L2lTha+0C2PwLeROsWE2SDePjFw==",
+      "version": "23.12.1",
+      "resolved": "https://registry.npmjs.org/webidl2/-/webidl2-23.12.1.tgz",
+      "integrity": "sha512-CbBwugDZl4vO2hH6oY5ZxCZM+6OB3+k8tXzkKTk1y1w4eLExHKMXS/mtIMFBj2vA7JanD8toNcDCp4EH7J3gLg==",
       "dev": true
     },
     "webidl2js": {
-      "version": "15.1.0",
-      "resolved": "https://registry.npmjs.org/webidl2js/-/webidl2js-15.1.0.tgz",
-      "integrity": "sha512-HAbm6KCKI4Z390FeiWuPW6LPNorZVDTw2NjP7EO+jS8vK/UEdhfux8tlb0zoR9/Xbx0/ExliSx2zccdVe/UZ/Q==",
+      "version": "16.0.0",
+      "resolved": "https://registry.npmjs.org/webidl2js/-/webidl2js-16.0.0.tgz",
+      "integrity": "sha512-cgboeEe6297x9QSRp8CXKLKjADWHDIyTxFYs9ky63Ztui8tMOJxGpEpvYmHDikBkCHNwzeRBWSF40Dc0uCZMEg==",
       "dev": true,
       "requires": {
-        "prettier": "^2.0.2",
-        "webidl-conversions": "^6.0.0",
+        "prettier": "^2.0.4",
+        "webidl-conversions": "^6.1.0",
         "webidl2": "^23.11.0"
       },
       "dependencies": {
         "prettier": {
-          "version": "2.0.2",
-          "resolved": "https://registry.npmjs.org/prettier/-/prettier-2.0.2.tgz",
-          "integrity": "sha512-5xJQIPT8BraI7ZnaDwSbu5zLrB6vvi8hVV58yHQ+QK64qrY40dULy0HSRlQ2/2IdzeBpjhDkqdcFBnFeDEMVdg==",
+          "version": "2.0.5",
+          "resolved": "https://registry.npmjs.org/prettier/-/prettier-2.0.5.tgz",
+          "integrity": "sha512-7PtVymN48hGcO4fGjybyBSIWDsLU4H4XlvOHfq91pz9kkGlonzwTfYkaIEwiRg/dAJF9YlbsduBAgtYLi+8cFg==",
+          "dev": true
+        },
+        "webidl-conversions": {
+          "version": "6.1.0",
+          "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-6.1.0.tgz",
+          "integrity": "sha512-qBIvFLGiBpLjfwmYAaHPXsn+ho5xZnGvyGvsarywGNc8VyQJUMHJ8OBKGGrPER0okBeMDaan4mNBlgBROxuI8w==",
           "dev": true
         }
       }
diff --git a/package.json b/package.json
index f698fbed..a5d3c839 100644
--- a/package.json
+++ b/package.json
@@ -55,7 +55,7 @@
     "prettier": "~1.18.0",
     "request": "^2.88.0",
     "resolve": "~1.11.1",
-    "webidl2js": "^15.1.0"
+    "webidl2js": "^16.0.0"
   },
   "scripts": {
     "prepare": "npm run generate",