diff --git a/config.txt b/config.txt
index 78f861d..708b6fb 100644
--- a/config.txt
+++ b/config.txt
@@ -1,7 +1,7 @@
 port=5658
 verify=False
-version=mainnet0020
-version_allow=mainnet0020,mainnet0021
+version=mainnet0021
+version_allow=mainnet0020,mainnet0021,mainnet0022
 thread_limit=64
 rebuild_db=True
 debug=False