diff --git a/README.md b/README.md
index bf1536f..e6a5bc6 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# Readme for TeensyDMX v4.0.0-beta
+# Readme for TeensyDMX v4.0.0
 
 This is a library for receiving and transmitting DMX on Teensy 3 and Teensy LC.
 It follows the