diff --git a/src/main/resources/config.conf b/src/main/resources/config.conf
index ec97c4502bb..fbca04953ad 100644
--- a/src/main/resources/config.conf
+++ b/src/main/resources/config.conf
@@ -47,7 +47,7 @@ node {
   maxActiveNodes = 30
 
   p2p {
-    version = 50 # 50: testnet; 101: debug
+    version = 51 # 51: testnet; 101: debug
   }
 
 }