diff --git a/robot/variables/common.py b/robot/variables/common.py
index 1eba9c63..ab98fc7e 100644
--- a/robot/variables/common.py
+++ b/robot/variables/common.py
@@ -14,7 +14,7 @@ NEOFS_EPOCH_TIMEOUT = (os.getenv("NEOFS_EPOCH_TIMEOUT") if os.getenv("NEOFS_EPOC
 SIMPLE_OBJ_SIZE = os.getenv("SIMPLE_OBJ_SIZE", "1000")
 COMPLEX_OBJ_SIZE = os.getenv("COMPLEX_OBJ_SIZE", "2000")
 
-MAINNET_BLOCK_TIME = os.getenv('MAINNET_BLOCK_TIME', "15s")
+MAINNET_BLOCK_TIME = os.getenv('MAINNET_BLOCK_TIME', "1s")
 MAINNET_TIMEOUT = os.getenv('MAINNET_TIMEOUT', "1min")
 MORPH_BLOCK_TIME = os.getenv("MORPH_BLOCK_TIME", '1s')
 NEOFS_CONTRACT_CACHE_TIMEOUT = os.getenv("NEOFS_CONTRACT_CACHE_TIMEOUT", "30s")