diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # implicitpipe
 
-[![IRC](https://img.shields.io/badge/irc.freenode.net-%23ImplicitCAD-blue.svg)](https://freenode.net/)
+[![IRC](https://img.shields.io/badge/irc.libera.chat-%23ImplicitCAD-blue.svg)](https://libera.chat/)
 
 OpenGL 3D viewer for [ImplicitCAD](https://github.com/colah/ImplicitCAD).