diff --git a/baselines/dom.generated.d.ts b/baselines/dom.generated.d.ts
index eb23ecd36..f32fedc45 100644
--- a/baselines/dom.generated.d.ts
+++ b/baselines/dom.generated.d.ts
@@ -2389,7 +2389,7 @@ interface Blob {
     readonly type: string;
     arrayBuffer(): Promise<ArrayBuffer>;
     slice(start?: number, end?: number, contentType?: string): Blob;
-    stream(): ReadableStream;
+    stream(): ReadableStream<Uint8Array>;
     text(): Promise<string>;
 }
 
diff --git a/baselines/serviceworker.generated.d.ts b/baselines/serviceworker.generated.d.ts
index 66fa15698..a3258b376 100644
--- a/baselines/serviceworker.generated.d.ts
+++ b/baselines/serviceworker.generated.d.ts
@@ -716,7 +716,7 @@ interface Blob {
     readonly type: string;
     arrayBuffer(): Promise<ArrayBuffer>;
     slice(start?: number, end?: number, contentType?: string): Blob;
-    stream(): ReadableStream;
+    stream(): ReadableStream<Uint8Array>;
     text(): Promise<string>;
 }
 
diff --git a/baselines/sharedworker.generated.d.ts b/baselines/sharedworker.generated.d.ts
index 4dc4af9f4..06a713071 100644
--- a/baselines/sharedworker.generated.d.ts
+++ b/baselines/sharedworker.generated.d.ts
@@ -688,7 +688,7 @@ interface Blob {
     readonly type: string;
     arrayBuffer(): Promise<ArrayBuffer>;
     slice(start?: number, end?: number, contentType?: string): Blob;
-    stream(): ReadableStream;
+    stream(): ReadableStream<Uint8Array>;
     text(): Promise<string>;
 }
 
diff --git a/baselines/webworker.generated.d.ts b/baselines/webworker.generated.d.ts
index e93e75a8f..c885f3bbb 100644
--- a/baselines/webworker.generated.d.ts
+++ b/baselines/webworker.generated.d.ts
@@ -727,7 +727,7 @@ interface Blob {
     readonly type: string;
     arrayBuffer(): Promise<ArrayBuffer>;
     slice(start?: number, end?: number, contentType?: string): Blob;
-    stream(): ReadableStream;
+    stream(): ReadableStream<Uint8Array>;
     text(): Promise<string>;
 }
 
diff --git a/inputfiles/overridingTypes.jsonc b/inputfiles/overridingTypes.jsonc
index 01c8591df..980f2eefe 100644
--- a/inputfiles/overridingTypes.jsonc
+++ b/inputfiles/overridingTypes.jsonc
@@ -2256,6 +2256,19 @@
                     "[name: string]: any"
                 ]
             },
+            "Blob": {
+              "methods": {
+                "method": {
+                  "stream": {
+                    "signature": {
+                      "0": {
+                        "overrideType": "ReadableStream<Uint8Array>"
+                      }
+                    }
+                  }
+                }
+              }
+            },
             "ReadableStream": {
                 "typeParameters": [
                     {