diff --git a/services/chain/protocol.privnet.yml b/services/chain/protocol.privnet.yml
index cb26347..ad81cb5 100644
--- a/services/chain/protocol.privnet.yml
+++ b/services/chain/protocol.privnet.yml
@@ -1,7 +1,7 @@
 ProtocolConfiguration:
   Magic: 56753
   MaxTraceableBlocks: 200000
-  SecondsPerBlock: 15
+  SecondsPerBlock: 1
   MemPoolSize: 50000
   StandbyCommittee:
     - 02b3622bf4017bdfe317c58aed5f4c753f206b7db896046fa7d774bbc4bf7f8dc2