diff --git a/baselines/dom.generated.d.ts b/baselines/dom.generated.d.ts
index 449ece679..bc572dd3d 100644
--- a/baselines/dom.generated.d.ts
+++ b/baselines/dom.generated.d.ts
@@ -11977,7 +11977,7 @@ interface Window extends EventTarget, WindowTimers, WindowSessionStorage, Window
     msMatchMedia(mediaQuery: string): MediaQueryList;
     msRequestAnimationFrame(callback: FrameRequestCallback): number;
     msWriteProfilerMark(profilerMarkName: string): void;
-    open(url?: string, target?: string, features?: string, replace?: boolean): any;
+    open(url?: string, target?: string, features?: string, replace?: boolean): Window;
     postMessage(message: any, targetOrigin: string, ports?: any): void;
     print(): void;
     prompt(message?: string, _default?: string): string;
@@ -12837,7 +12837,7 @@ declare function msCancelRequestAnimationFrame(handle: number): void;
 declare function msMatchMedia(mediaQuery: string): MediaQueryList;
 declare function msRequestAnimationFrame(callback: FrameRequestCallback): number;
 declare function msWriteProfilerMark(profilerMarkName: string): void;
-declare function open(url?: string, target?: string, features?: string, replace?: boolean): any;
+declare function open(url?: string, target?: string, features?: string, replace?: boolean): Window;
 declare function postMessage(message: any, targetOrigin: string, ports?: any): void;
 declare function print(): void;
 declare function prompt(message?: string, _default?: string): string;
diff --git a/inputfiles/overridingTypes.json b/inputfiles/overridingTypes.json
index 56a6f5ebe..80353d667 100644
--- a/inputfiles/overridingTypes.json
+++ b/inputfiles/overridingTypes.json
@@ -319,5 +319,11 @@
         "signatures": [
             "new (type: string, eventInitDict?: StorageEventInit): StorageEvent"
         ]
+    },
+    {
+        "kind": "method",
+        "interface": "Window",
+        "name": "open",
+        "signatures": ["open(url?: string, target?: string, features?: string, replace?: boolean): Window"]
     }
 ]