diff --git a/deno.json b/deno.json
index a5bf462..ba31417 100644
--- a/deno.json
+++ b/deno.json
@@ -1,6 +1,6 @@
 {
   "name": "@nick/utf8",
-  "version": "0.3.2",
+  "version": "0.4.0",
   "license": "MIT",
   "author": {
     "name": "Nicholas Berlette",
@@ -28,6 +28,11 @@
     "fix": "deno fmt && deno lint --fix",
     "ok": "deno fmt --check && deno lint && deno run test"
   },
+  "lint": {
+    "rules": {
+      "exclude": ["no-import-prefix"]
+    }
+  },
   "lock": false,
   "nodeModulesDir": "auto",
   "publish": {
diff --git a/src/_internal.ts b/src/_internal.ts
index 1e4fc16..b9b4b19 100644
--- a/src/_internal.ts
+++ b/src/_internal.ts
@@ -186,7 +186,7 @@ export const TypedArray: TypedArrayConstructor = ObjectGetPrototypeOf(
   Uint8Array,
 );
 export const TypedArrayPrototype: InstanceType<TypedArrayConstructor> =
-  TypedArray?.prototype!;
+  TypedArray?.prototype! as InstanceType<TypedArrayConstructor>;
 export const TypedArrayPrototypeGetToStringTag: {
   (target: unknown): TypedArrayToStringTag | undefined;
 } = uncurryGetter(TypedArrayPrototype, Symbol.toStringTag) as any;
@@ -274,7 +274,7 @@ export function toUint8Array(input?: BufferSource | null): Uint8Array {
       return new Uint8Array(input);
     } catch (_) {
       try {
-        ArrayBufferPrototypeGetByteLength(input);
+        ArrayBufferPrototypeGetByteLength(input as ArrayBuffer);
         return new Uint8Array(input);
       } catch (_) {
         throw new TypeError(
diff --git a/src/shim.ts b/src/shim.ts
index bdc49ee..00dcdbd 100644
--- a/src/shim.ts
+++ b/src/shim.ts
@@ -39,6 +39,8 @@
  * ```
  * @module shim
  */
+import type {} from "./shim.d.ts";
+
 import { TextEncoder } from "./text_encoder.ts";
 import { TextDecoder } from "./text_decoder.ts";
 import { TextDecoderStream, TextEncoderStream } from "./streams.ts";
diff --git a/src/text_decoder.ts b/src/text_decoder.ts
index 450e7d4..61c6f29 100644
--- a/src/text_decoder.ts
+++ b/src/text_decoder.ts
@@ -73,7 +73,7 @@ export class TextDecoder {
   readonly #fatal: boolean;
   readonly #ignoreBOM: boolean;
 
-  #buffer = new Uint8Array(0);
+  #buffer: Uint8Array<ArrayBufferLike> = new Uint8Array(0);
 
   /**
    * Creates a new TextDecoder instance.