diff --git a/lib/chats/index.ts b/lib/chats/index.ts
index adbec8c..3da4fcb 100644
--- a/lib/chats/index.ts
+++ b/lib/chats/index.ts
@@ -1,6 +1,5 @@
 import axios, { AxiosError } from "axios";
 import * as t from "polyfact-io-ts";
-import { UUID } from "crypto";
 
 import {
     generate,
@@ -24,7 +23,7 @@ const Message = t.type({
 
 export async function createChat(
     systemPrompt?: string,
-    systemPromptId?: UUID,
+    systemPromptId?: string,
     options: InputClientOptions = {},
 ): Promise<string> {
     try {
@@ -180,13 +179,13 @@ export class Chat {
 }
 
 export type ChatClient = {
-    createChat: (systemPrompt?: string, systemPromptId?: UUID) => Promise<string>;
+    createChat: (systemPrompt?: string, systemPromptId?: string) => Promise<string>;
     Chat: typeof Chat;
 };
 
 export default function client(clientOptions: InputClientOptions = {}): ChatClient {
     return {
-        createChat: (systemPrompt?: string, systemPromptId?: UUID) =>
+        createChat: (systemPrompt?: string, systemPromptId?: string) =>
             createChat(systemPrompt, systemPromptId, clientOptions),
         Chat: class C extends Chat {
             constructor(options: ChatOptions = {}) {
diff --git a/lib/generate.ts b/lib/generate.ts
index 0aab8f5..b192d14 100644
--- a/lib/generate.ts
+++ b/lib/generate.ts
@@ -2,7 +2,6 @@ import * as t from "polyfact-io-ts";
 import fakeProcess from "process";
 import { Readable } from "readable-stream";
 import WebSocket from "isomorphic-ws";
-import { UUID } from "crypto";
 import { InputClientOptions, defaultOptions } from "./clientOpts";
 import { Memory } from "./memory";
 import { loaderToMemory, LoaderFunction } from "./dataloader";
@@ -76,7 +75,7 @@ export type MemoryOptions = [
     { data: [LoaderFunction] | LoaderFunction },
 ];
 
-export type SystemPromptOptions = [{ systemPromptId: UUID }, { systemPrompt: string }];
+export type SystemPromptOptions = [{ systemPromptId: string }, { systemPrompt: string }];
 
 export type GenerationWithWebOptions = GenerationSimpleOptions &
     NeverN<ChatOptions> &
diff --git a/package.json b/package.json
index 5586b55..e06510a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "polyfire-js",
-    "version": "0.2.10",
+    "version": "0.2.11",
     "main": "index.js",
     "types": "index.d.ts",
     "author": "Lancelot Owczarczak <lancelot@owczarczak.fr>",