diff --git a/README.md b/README.md
index e23f874..a0d10a4 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@ This version of _py-kms_ is for itself a fork of the original implementation by
 	- Windows 8
 	- Windows 8.1
 	- Windows 10 ( 1511 / 1607 / 1703 / 1709 / 1803 / 1809 )
-    - Windows 10 ( 1903 / 1909 / 20H1, 20H2, 21H1 )
+    - Windows 10 ( 1903 / 1909 / 20H1, 20H2, 21H1, 21H2 )
     - Windows 11 ( 21H2 )
 	- Windows Server 2008
 	- Windows Server 2008 R2