diff --git a/minecraft/__init__.py b/minecraft/__init__.py
index ff7b0b2..5ccdf90 100644
--- a/minecraft/__init__.py
+++ b/minecraft/__init__.py
@@ -34,6 +34,7 @@ SUPPORTED_MINECRAFT_VERSIONS = {
     '16w39c':   309,
     '16w40a':   310,
     '16w41a':   311,
+    '16w42a':   312,
 }
 
 SUPPORTED_PROTOCOL_VERSIONS = sorted(SUPPORTED_MINECRAFT_VERSIONS.values())