diff --git a/package-lock.json b/package-lock.json
index 71c05575..c0852de0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -38,6 +38,7 @@
         "@radix-ui/react-tooltip": "^1.1.6",
         "@tabler/icons-react": "^2.14.0",
         "axios": "^1.3.4",
+        "buffer": "^6.0.3",
         "chrono-node": "^2.7.7",
         "class-variance-authority": "^0.7.1",
         "clsx": "^2.1.1",
@@ -9473,6 +9474,7 @@
           "url": "https://feross.org/support"
         }
       ],
+      "license": "MIT",
       "dependencies": {
         "base64-js": "^1.3.1",
         "ieee754": "^1.2.1"
diff --git a/package.json b/package.json
index 8174d7db..6d17b76e 100644
--- a/package.json
+++ b/package.json
@@ -99,6 +99,7 @@
     "@radix-ui/react-tooltip": "^1.1.6",
     "@tabler/icons-react": "^2.14.0",
     "axios": "^1.3.4",
+    "buffer": "^6.0.3",
     "chrono-node": "^2.7.7",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
diff --git a/src/LLMProviders/brevilabsClient.ts b/src/LLMProviders/brevilabsClient.ts
index 56dc444b..80cafa79 100644
--- a/src/LLMProviders/brevilabsClient.ts
+++ b/src/LLMProviders/brevilabsClient.ts
@@ -5,6 +5,7 @@ import { turnOffPlus, turnOnPlus } from "@/plusUtils";
 import { getSettings } from "@/settings/model";
 import { extractErrorDetail } from "@/utils";
 import { Notice } from "obsidian";
+import { Buffer } from "buffer";
 
 export interface BrocaResponse {
   response: {
diff --git a/src/components/Chat.tsx b/src/components/Chat.tsx
index 9a0765ee..1ed9640b 100644
--- a/src/components/Chat.tsx
+++ b/src/components/Chat.tsx
@@ -18,6 +18,7 @@ import { FileParserManager } from "@/tools/FileParserManager";
 import { err2String, formatDateTime } from "@/utils";
 import { Notice, TFile } from "obsidian";
 import React, { useCallback, useContext, useEffect, useRef, useState } from "react";
+import { Buffer } from "buffer";
 
 interface ChatProps {
   sharedState: SharedState;
diff --git a/src/encryptionService.test.ts b/src/encryptionService.test.ts
index ecd25ffc..d9e42257 100644
--- a/src/encryptionService.test.ts
+++ b/src/encryptionService.test.ts
@@ -22,6 +22,7 @@ global.TextDecoder = TextDecoder as any;
 import { encryptAllKeys, getDecryptedKey, getEncryptedKey } from "@/encryptionService";
 import { type CopilotSettings } from "@/settings/model";
 import { Platform } from "obsidian";
+import { Buffer } from "buffer";
 
 // Mock window.btoa and window.atob for base64 encoding/decoding
 global.btoa = jest.fn().mockImplementation((str) => Buffer.from(str).toString("base64"));
diff --git a/src/encryptionService.ts b/src/encryptionService.ts
index c28ddeda..951961c4 100644
--- a/src/encryptionService.ts
+++ b/src/encryptionService.ts
@@ -1,5 +1,6 @@
 import { type CopilotSettings } from "@/settings/model";
 import { Platform } from "obsidian";
+import { Buffer } from "buffer";
 
 // @ts-ignore
 let safeStorageInternal: Electron.SafeStorage | null = null;
diff --git a/src/utils.ts b/src/utils.ts
index 69e093fc..d931690d 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -20,6 +20,7 @@ import { BaseChain, RetrievalQAChain } from "langchain/chains";
 import moment from "moment";
 import { MarkdownView, Notice, TFile, Vault, requestUrl } from "obsidian";
 import { CustomModel } from "./aiParams";
+import { Buffer } from "buffer";
 
 // Add custom error type at the top of the file
 interface APIError extends Error {