diff --git a/tokenizer_ts/package-lock.json b/tokenizer_ts/package-lock.json
index d180ff9..1cf40e9 100644
--- a/tokenizer_ts/package-lock.json
+++ b/tokenizer_ts/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@microsoft/tiktokenizer",
-  "version": "1.0.6",
+  "version": "1.0.8",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@microsoft/tiktokenizer",
-      "version": "1.0.6",
+      "version": "1.0.8",
       "license": "MIT",
       "devDependencies": {
         "@types/mocha": "^5.2.7",
diff --git a/tokenizer_ts/package.json b/tokenizer_ts/package.json
index 310d6fe..55ddcf0 100644
--- a/tokenizer_ts/package.json
+++ b/tokenizer_ts/package.json
@@ -2,7 +2,7 @@
   "name": "@microsoft/tiktokenizer",
   "displayName": "tiktokenizer",
   "description": "Tokenizer for OpenAI large language models.",
-  "version": "1.0.7",
+  "version": "1.0.8",
   "author": {
     "name": "Microsoft Corporation"
   },
diff --git a/tokenizer_ts/src/tikTokenizer.ts b/tokenizer_ts/src/tikTokenizer.ts
index 0d85fbb..3f49603 100644
--- a/tokenizer_ts/src/tikTokenizer.ts
+++ b/tokenizer_ts/src/tikTokenizer.ts
@@ -73,19 +73,19 @@ export class TikTokenizer {
    * Take the encoder tokens mapping from OpenAI tiktoken dump to build the encoder
    * For gpt-3.5-turbo/gpt4, you can download the BPE tokens mapping from:
    * https://openaipublic.blob.core.windows.net/encodings/cl100k_base.tiktoken
-   * @param tikTokenBpeFile BPE rank file path
+   * @param tikTokenBpeFileOrDict BPE rank file path or parsed dictionary
    * @param specialTokensEncoder special tokens encoder
    * @param regexPattern regex pattern to split the input text
    * @param cacheSize cache size
    */
   constructor(
-    tikTokenBpeFile: string,
+    tikTokenBpeFileOrDict: string | Map<Uint8Array, number>,
     specialTokensEncoder: ReadonlyMap<string, number>,
     regexPattern: string,
     cacheSize: number = 8192
   ) {
     this.cache = new LRUCache(cacheSize);
-    const bpeDict = loadTikTokenBpe(tikTokenBpeFile);
+    const bpeDict = typeof tikTokenBpeFileOrDict === 'string' ? loadTikTokenBpe(tikTokenBpeFileOrDict) : tikTokenBpeFileOrDict;
     this.init(bpeDict, specialTokensEncoder, regexPattern);
   }
 
diff --git a/tokenizer_ts/src/tokenizerBuilder.ts b/tokenizer_ts/src/tokenizerBuilder.ts
index 42cb4be..5d4b156 100644
--- a/tokenizer_ts/src/tokenizerBuilder.ts
+++ b/tokenizer_ts/src/tokenizerBuilder.ts
@@ -285,20 +285,20 @@ export async function createByEncoderName(
 
 /**
  * Create a tokenizer from a file
- * @param tikTokenBpeFile BPE rank file in tiktoken format
+ * @param tikTokenBpeFileOrDict BPE rank file in tiktoken format or parsed dictionary
  * @param specialTokensEncoder special tokens mapping
  * @param regexPattern regex pattern
  * @param cacheSize cache size
  * @returns TikTokenizer tokenizer
  */
 export function createTokenizer(
-  tikTokenBpeFile: string,
+  tikTokenBpeFileOrDict: string | Map<Uint8Array, number>,
   specialTokensEncoder: ReadonlyMap<string, number>,
   regexPattern: string,
   cacheSize: number = 8192
 ): TikTokenizer {
   const tikTokenizer = new TikTokenizer(
-    tikTokenBpeFile,
+    tikTokenBpeFileOrDict,
     specialTokensEncoder,
     regexPattern,
     cacheSize