diff --git a/apps/contract-migration/scripts/import_users.py b/apps/contract-migration/scripts/import_users.py
index 66c990d5..cdc03a9a 100644
--- a/apps/contract-migration/scripts/import_users.py
+++ b/apps/contract-migration/scripts/import_users.py
@@ -11,10 +11,10 @@ from glob import glob
 import redis
 import confini
 import celery
+from chainlib.eth.address import to_checksum
 from cic_types.models.person import Person
 from cic_eth.api.api_task import Api
 from cic_registry.chain import ChainSpec
-from cic_tools.eth.address import to_checksum
 
 logging.basicConfig(level=logging.WARNING)
 logg = logging.getLogger()
diff --git a/apps/contract-migration/scripts/requirements.txt b/apps/contract-migration/scripts/requirements.txt
index 9f2cd1f0..73b0c8a4 100644
--- a/apps/contract-migration/scripts/requirements.txt
+++ b/apps/contract-migration/scripts/requirements.txt
@@ -1 +1,2 @@
 cic-types==0.1.0
+chainlib==0.0.1a4