Update changelog for v2.1.159

CHANGELOG.md

@@ -4,6 +4,14 @@ Note: Only use **NEW:** for entirely new prompt files, NOT for new additions/sec
 
 ### Claude Code System Prompts Changelog
 
+#### [2.1.159](https://github.com/Piebald-AI/claude-code-system-prompts/commit/9659c79)
+
+<sub>_No changes to the system prompts in v2.1.159._</sub>
+
+#### [2.1.158](https://github.com/Piebald-AI/claude-code-system-prompts/commit/f2b2ae6)
+
+<sub>_No changes to the system prompts in v2.1.158._</sub>
+
 # [2.1.157](https://github.com/Piebald-AI/claude-code-system-prompts/commit/0aece05)
 
 _+674 tokens_

README.md

@@ -34,7 +34,7 @@ Download it and try it out for free!  **https://piebald.ai/**
 > [!important]
 > **NEW (January 23, 2026): We've added all of Claude Code's ~40 system reminders to this list—see [System Reminders](#system-reminders).**
 
-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 v2.1.158](https://www.npmjs.com/package/@anthropic-ai/claude-code/v/2.1.158) (May 29th, 2026).**  It also contains a [**CHANGELOG.md**](./CHANGELOG.md) for the system prompts across 193 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 v2.1.159](https://www.npmjs.com/package/@anthropic-ai/claude-code/v/2.1.159) (May 31st, 2026).**  It also contains a [**CHANGELOG.md**](./CHANGELOG.md) for the system prompts across 194 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 is updated within minutes of each Claude Code release.  See the [changelog](./CHANGELOG.md), and follow [@PiebaldAI](https://x.com/PiebaldAI) on X for a summary of the system prompt changes in each release.**