diff --git a/baselines/dom.generated.d.ts b/baselines/dom.generated.d.ts
index 70a0b90fe..855f5af38 100644
--- a/baselines/dom.generated.d.ts
+++ b/baselines/dom.generated.d.ts
@@ -12213,7 +12213,7 @@ interface URL {
 
 declare var URL: {
     prototype: URL;
-    new(url: string, base?: string): URL;
+    new(url: string, base?: string | URL): URL;
     createObjectURL(object: any, options?: ObjectURLOptions): string;
     revokeObjectURL(url: string): void;
 };
diff --git a/baselines/webworker.generated.d.ts b/baselines/webworker.generated.d.ts
index 88e520c33..86324a4ec 100644
--- a/baselines/webworker.generated.d.ts
+++ b/baselines/webworker.generated.d.ts
@@ -1061,7 +1061,7 @@ interface URL {
 
 declare var URL: {
     prototype: URL;
-    new(url: string, base?: string): URL;
+    new(url: string, base?: string | URL): URL;
     createObjectURL(object: any, options?: ObjectURLOptions): string;
     revokeObjectURL(url: string): void;
 };
diff --git a/inputfiles/overridingTypes.json b/inputfiles/overridingTypes.json
index e29b52c56..eb9b310bb 100644
--- a/inputfiles/overridingTypes.json
+++ b/inputfiles/overridingTypes.json
@@ -1725,5 +1725,12 @@
             "isPointInStroke(x: number, y: number, fillRule?: CanvasFillRule): boolean",
             "isPointInStroke(path: Path2D, x: number, y: number, fillRule?: CanvasFillRule): boolean"
         ]
+    },
+    {
+        "kind": "constructor",
+        "interface": "URL",
+        "signatures": [
+            "new(url: string, base?: string | URL): URL"
+        ]
     }
 ]
\ No newline at end of file