diff --git a/src/index.d.ts b/src/index.d.ts
index ea48fcb2..4a128002 100644
--- a/src/index.d.ts
+++ b/src/index.d.ts
@@ -407,6 +407,7 @@ export type KernelVariable =
   | Uint8Array
   | Uint16Array
   | Uint32Array
+  | Uint8ClampedArray
   | KernelOutput;
 
 export type ThreadFunctionResult
@@ -665,4 +666,4 @@ export interface IDeclaration {
   valueType: string;
   dependencies: any;
   isSafe: boolean;
-}
\ No newline at end of file
+}