diff --git a/README.md b/README.md
index dc17af8..92cc47d 100644
--- a/README.md
+++ b/README.md
@@ -16,6 +16,8 @@ Made with and for:
 - TIDAL on Firefox
 
 ### Version history
+- Rev 4.1
+  - Once again more aggressive EQ, but less bassy
 - Rev 4
   - Even less aggressive EQ, even more bassy
 - Rev 3