diff --git a/src/grouptypes.rs b/src/grouptypes.rs
index 4430354..84a7828 100644
--- a/src/grouptypes.rs
+++ b/src/grouptypes.rs
@@ -22,7 +22,7 @@ enum SupportedVersions {
     V1_20_1,
     V1_20_4,
     V1_20_6,
-    v1_21
+    V1_21_1
 }
 
 enum StoreType {