diff --git a/public/scripts/gpt-2-3-tokenizer/README.md b/public/scripts/gpt-2-3-tokenizer/README.md
index f09949a58..616eba077 100644
--- a/public/scripts/gpt-2-3-tokenizer/README.md
+++ b/public/scripts/gpt-2-3-tokenizer/README.md
@@ -5,20 +5,20 @@ GPT-2/3 byte pair encoder/decoder/tokenizer based on [@latitudegames/GPT-3-Encod
 See also: [JS byte pair encoder for OpenAI's CLIP model](https://github.com/josephrocca/clip-bpe-js).
 
 ```js
-import {encode, decode} from "https://deno.land/x/gpt_2_3_tokenizer@v0.0.1/mod.js";
+import {encode, decode} from "https://deno.land/x/gpt_2_3_tokenizer@v0.0.2/mod.js";
 let text = "hello world";
 console.log(encode(text)); // [258, 18798, 995]
 console.log(decode(encode(text))); // "hello world"
 ```
 or:
 ```js
-let mod = await import("https://deno.land/x/gpt_2_3_tokenizer@v0.0.1/mod.js");
+let mod = await import("https://deno.land/x/gpt_2_3_tokenizer@v0.0.2/mod.js");
 mod.encode("hello world"); // [258, 18798, 995]
 ```
 or to include it as a global variable in the browser:
 ```html
 <script type=module>
-  import tokenizer from "https://deno.land/x/gpt_2_3_tokenizer@v0.0.1/mod.js";
+  import tokenizer from "https://deno.land/x/gpt_2_3_tokenizer@v0.0.2/mod.js";
   window.tokenizer = tokenizer;
 </script>
 ```
diff --git a/public/scripts/gpt-2-3-tokenizer/mod.js b/public/scripts/gpt-2-3-tokenizer/mod.js
index 622f5ab61..c325ce3a2 100644
--- a/public/scripts/gpt-2-3-tokenizer/mod.js
+++ b/public/scripts/gpt-2-3-tokenizer/mod.js
@@ -81,7 +81,7 @@ const bpe_ranks = dictZip(bpe_merges, range(0, bpe_merges.length))
 const cache = {}
 
 function bpe(token) {
-  if (token in cache) {
+  if (Object.hasOwn(cache, token)) {
     return cache[token]
   }
 
@@ -107,7 +107,7 @@ function bpe(token) {
     }
     ))]
 
-    if (!(bigram in bpe_ranks)) {
+    if (!(Object.hasOwn(bpe_ranks, bigram))) {
       break
     }