diff --git a/README.md b/README.md
index 94def88..c393215 100644
--- a/README.md
+++ b/README.md
@@ -35,7 +35,7 @@ Symbol `X` means all minor versions.
 - [x] 1.17.X
 - [x] 1.18.X
 - [x] 1.19.X
-- [x] 1.20
+- [x] 1.20-1.20.1
 
 The server **doesn't** support snapshots.
 
diff --git a/src/main/java/ua/nanit/limbo/protocol/registry/Version.java b/src/main/java/ua/nanit/limbo/protocol/registry/Version.java
index bd1da46..faedd9e 100644
--- a/src/main/java/ua/nanit/limbo/protocol/registry/Version.java
+++ b/src/main/java/ua/nanit/limbo/protocol/registry/Version.java
@@ -69,6 +69,7 @@ public enum Version {
     V1_19_3(761),
     V1_19_4(762),
     V1_20(763);
+    // 1.20.1 has same protocol number
 
     private static final Map<Integer, Version> VERSION_MAP;
     private static final Version MAX;