diff --git a/src/chat-manager.ts b/src/chat-manager.ts
index a0f82cd..083ff9a 100644
--- a/src/chat-manager.ts
+++ b/src/chat-manager.ts
@@ -297,4 +297,5 @@ export class Search {
     }
 }
 
-export default new ChatManager();
+const chatManager = new ChatManager();
+export default chatManager;
diff --git a/src/components/header.tsx b/src/components/header.tsx
index 3aa683e..c8dd200 100644
--- a/src/components/header.tsx
+++ b/src/components/header.tsx
@@ -138,7 +138,7 @@ export default function Header(props: HeaderProps) {
 
     const openSettings = useCallback(() => {
         context.settings.open(context.apiKeys.openai ? 'options' : 'user');
-    }, [context, context.apiKeys.openai]);
+    }, [context]);
 
     return <HeaderContainer>
         <Helmet>
diff --git a/src/elevenlabs.tsx b/src/elevenlabs.tsx
index ad62955..0e3b0e6 100644
--- a/src/elevenlabs.tsx
+++ b/src/elevenlabs.tsx
@@ -307,7 +307,7 @@ export function ElevenLabsReaderButton(props: { selector: string }) {
         } else {
             reader.current.stop();
         }
-    }, [status, props.selector, context.apiKeys.elevenlabs]);
+    }, [status, props.selector, context.apiKeys.elevenlabs, context.settings, context.voice.id]);
 
     return (
         <Button variant="subtle" size="sm" compact onClickCapture={onClick} loading={status === 'init'}>
diff --git a/src/use-chat.ts b/src/use-chat.ts
index 37ae507..637a5b2 100644
--- a/src/use-chat.ts
+++ b/src/use-chat.ts
@@ -13,7 +13,7 @@ export interface UseChatResult {
 
 export function useChat(chatManager: ChatManager, id: string | undefined | null, share = false): UseChatResult {
     const [chat, setChat] = useState<Chat | null | undefined>(null);
-    const [_, setVersion] = useState(0);
+    const [_, setVersion] = useState(0); // eslint-disable-line @typescript-eslint/no-unused-vars
 
     // used to prevent auto-scroll when chat is first opened
     const [chatLoadedAt, setLoadedAt] = useState(0);