diff --git a/README.md b/README.md
index 82ee5f1..b9bcde1 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ In the future tusd may be extended with additional functionality to make it
 suitable as a standalone production upload server, but for now this is not a
 priority.
 
-**Protocol version:** 0.1 (upgrade to 0.2 will be ready soon)
+**Protocol version:** 0.2.1
 
 ## Getting started