diff --git a/README.md b/README.md
index a8f5612..d5d9f57 100644
--- a/README.md
+++ b/README.md
@@ -26,7 +26,7 @@ Download it and try it out for free!  **https://piebald.ai/**
 
 # Claude Code System Prompts
 
-This repository contains an up-to-date list of all Claude Code's various system prompts and their associated token counts as of **[Claude Code v2.0.63](https://www.npmjs.com/package/@anthropic-ai/claude-code/v/2.0.63) (December 9th, 2025).**  It also contains a [**CHANGELOG.md**](./CHANGELOG.md) for the system prompts across 44 versions since v2.0.14.  From the team behind [<img src="https://github.com/Piebald-AI/piebald/raw/main/assets/logo.svg" width="15"> **Piebald.**](https://piebald.ai/)
+This repository contains an up-to-date list of all Claude Code's various system prompts and their associated token counts as of **[Claude Code v2.0.64](https://www.npmjs.com/package/@anthropic-ai/claude-code/v/2.0.64) (December 9th, 2025).**  It also contains a [**CHANGELOG.md**](./CHANGELOG.md) for the system prompts across 45 versions since v2.0.14.  From the team behind [<img src="https://github.com/Piebald-AI/piebald/raw/main/assets/logo.svg" width="15"> **Piebald.**](https://piebald.ai/)
 
 Why multiple "system prompts?"