diff --git a/bal_addresses/addresses.py b/bal_addresses/addresses.py
index 1bbffbd3..0eef4c51 100644
--- a/bal_addresses/addresses.py
+++ b/bal_addresses/addresses.py
@@ -122,7 +122,8 @@ def latest_contract(self, contract_name):
         deployments.sort(reverse=True)
         return self.deployments_only[deployments[0]][contract_name]
 
-    def checksum_address_dict(self, addresses):
+    @staticmethod
+    def checksum_address_dict(addresses):
         """
         convert addresses to their checksum variant taken from a (nested) dict
         """