diff --git a/baselines/dom.generated.d.ts b/baselines/dom.generated.d.ts
index eb23ecd36..49f164eda 100644
--- a/baselines/dom.generated.d.ts
+++ b/baselines/dom.generated.d.ts
@@ -17763,7 +17763,7 @@ type ConstrainULong = number | ConstrainULongRange;
 type DOMHighResTimeStamp = number;
 type EpochTimeStamp = number;
 type EventListenerOrEventListenerObject = EventListener | EventListenerObject;
-type Float32List = Float32Array | GLfloat[];
+type Float32List = Float32Array | ReadonlyArray<GLfloat>;
 type FormDataEntryValue = File | string;
 type GLbitfield = number;
 type GLboolean = boolean;
diff --git a/baselines/serviceworker.generated.d.ts b/baselines/serviceworker.generated.d.ts
index 66fa15698..21daf9bdc 100644
--- a/baselines/serviceworker.generated.d.ts
+++ b/baselines/serviceworker.generated.d.ts
@@ -5496,7 +5496,7 @@ type CanvasImageSource = ImageBitmap | OffscreenCanvas;
 type DOMHighResTimeStamp = number;
 type EpochTimeStamp = number;
 type EventListenerOrEventListenerObject = EventListener | EventListenerObject;
-type Float32List = Float32Array | GLfloat[];
+type Float32List = Float32Array | ReadonlyArray<GLfloat>;
 type FormDataEntryValue = File | string;
 type GLbitfield = number;
 type GLboolean = boolean;
diff --git a/baselines/sharedworker.generated.d.ts b/baselines/sharedworker.generated.d.ts
index 4dc4af9f4..b5395564d 100644
--- a/baselines/sharedworker.generated.d.ts
+++ b/baselines/sharedworker.generated.d.ts
@@ -5513,7 +5513,7 @@ type CanvasImageSource = ImageBitmap | OffscreenCanvas;
 type DOMHighResTimeStamp = number;
 type EpochTimeStamp = number;
 type EventListenerOrEventListenerObject = EventListener | EventListenerObject;
-type Float32List = Float32Array | GLfloat[];
+type Float32List = Float32Array | ReadonlyArray<GLfloat>;
 type FormDataEntryValue = File | string;
 type GLbitfield = number;
 type GLboolean = boolean;
diff --git a/baselines/webworker.generated.d.ts b/baselines/webworker.generated.d.ts
index e93e75a8f..1e856f877 100644
--- a/baselines/webworker.generated.d.ts
+++ b/baselines/webworker.generated.d.ts
@@ -5743,7 +5743,7 @@ type CanvasImageSource = ImageBitmap | OffscreenCanvas;
 type DOMHighResTimeStamp = number;
 type EpochTimeStamp = number;
 type EventListenerOrEventListenerObject = EventListener | EventListenerObject;
-type Float32List = Float32Array | GLfloat[];
+type Float32List = Float32Array | ReadonlyArray<GLfloat>;
 type FormDataEntryValue = File | string;
 type GLbitfield = number;
 type GLboolean = boolean;
diff --git a/inputfiles/overridingTypes.jsonc b/inputfiles/overridingTypes.jsonc
index 01c8591df..cced0f801 100644
--- a/inputfiles/overridingTypes.jsonc
+++ b/inputfiles/overridingTypes.jsonc
@@ -3136,6 +3136,10 @@
     },
     "typedefs": {
         "typedef": [
+            {
+                "overrideType": "Float32Array | ReadonlyArray<GLfloat>",
+                "name": "Float32List"
+            },
             {
                 "overrideType": "ReadableStreamDefaultController<T>",
                 "name": "ReadableStreamController",