diff --git a/README.md b/README.md
index a95bb7a..e6bd827 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 [![Test Matrix](https://github.com/disruptek/frosty/workflows/CI/badge.svg)](https://github.com/disruptek/frosty/actions?query=workflow%3ACI)
 [![GitHub release (latest by date)](https://img.shields.io/github/v/release/disruptek/frosty?style=flat)](https://github.com/disruptek/frosty/releases/latest)
-![Minimum supported Nim version](https://img.shields.io/badge/nim-1.5.1%2B-informational?style=flat&logo=nim)
+![Minimum supported Nim version](https://img.shields.io/badge/nim-1.6.1%2B-informational?style=flat&logo=nim)
 [![License](https://img.shields.io/github/license/disruptek/frosty?style=flat)](#license)
 [![Matrix](https://img.shields.io/badge/chat-on%20matrix-brightgreen)](https://matrix.to/#/#disruptek:matrix.org)