diff --git a/packages/host/lua/clusterio_lib/info.json b/packages/host/lua/clusterio_lib/info.json
index ed6dcfb8..aae5af7f 100644
--- a/packages/host/lua/clusterio_lib/info.json
+++ b/packages/host/lua/clusterio_lib/info.json
@@ -16,6 +16,10 @@
 		{
 			"version": "2.0.20",
 			"factorio_version": "2.0"
+		},
+		{
+			"version": "2.0.21",
+			"factorio_version": "2.1"
 		}
 	],
 	"title": "Clusterio Library (Alpha)",