diff --git a/baselines/dom.generated.d.ts b/baselines/dom.generated.d.ts
index 1a8c1c6ee..f13e830eb 100644
--- a/baselines/dom.generated.d.ts
+++ b/baselines/dom.generated.d.ts
@@ -14819,7 +14819,7 @@ interface SharedWorker extends EventTarget, AbstractWorker {
 
 declare var SharedWorker: {
     prototype: SharedWorker;
-    new(scriptURL: string, options?: string | WorkerOptions): SharedWorker;
+    new(scriptURL: string | URL, options?: string | WorkerOptions): SharedWorker;
 };
 
 interface Slottable {
diff --git a/baselines/webworker.generated.d.ts b/baselines/webworker.generated.d.ts
index 5aef7c809..8f9a07599 100644
--- a/baselines/webworker.generated.d.ts
+++ b/baselines/webworker.generated.d.ts
@@ -2982,7 +2982,7 @@ interface SharedWorker extends EventTarget, AbstractWorker {
 
 declare var SharedWorker: {
     prototype: SharedWorker;
-    new(scriptURL: string, options?: string | WorkerOptions): SharedWorker;
+    new(scriptURL: string | URL, options?: string | WorkerOptions): SharedWorker;
 };
 
 interface SharedWorkerGlobalScopeEventMap extends WorkerGlobalScopeEventMap {
diff --git a/inputfiles/overridingTypes.json b/inputfiles/overridingTypes.json
index 359a2d6bd..3b6086a75 100644
--- a/inputfiles/overridingTypes.json
+++ b/inputfiles/overridingTypes.json
@@ -2078,6 +2078,15 @@
                     }
                 }
             },
+            "SharedWorker": {
+                "name": "SharedWorker",
+                "override-exposed": "Window Worker",
+                "constructor": {
+                    "override-signatures": [
+                        "new(scriptURL: string | URL, options?: string | WorkerOptions): SharedWorker"
+                    ]
+                }
+            },
             "Crypto": {
                 "name": "Crypto",
                 "methods": {