diff --git a/eth_stat_syncer/runnable/syncer.py b/eth_stat_syncer/runnable/syncer.py
index 79ed594..b06d32b 100644
--- a/eth_stat_syncer/runnable/syncer.py
+++ b/eth_stat_syncer/runnable/syncer.py
@@ -6,7 +6,7 @@ import argparse
 
 # external imports
 import confini
-from chainsyncer.backend import MemBackend
+from chainsyncer.backend.memory import MemBackend
 from chainsyncer.driver import (
         HeadSyncer,
         HistorySyncer,
diff --git a/requirements.txt b/requirements.txt
index 0d0b000..67cde8a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
-chainsyncer~=0.0.1a22
+chainsyncer~=0.0.2a1
 chainlib~=0.0.2a6
 jsonrpc_std~=0.0.1a2