diff --git a/eland/__init__.py b/eland/__init__.py
index a4723d1..ee04949 100644
--- a/eland/__init__.py
+++ b/eland/__init__.py
@@ -1,3 +1,3 @@
 from .utils import *
-from .DataFrame import *
-from .Client import *
+from .dataframe import *
+from .client import *
diff --git a/eland/Client.py b/eland/client.py
similarity index 100%
rename from eland/Client.py
rename to eland/client.py
diff --git a/eland/DataFrame.py b/eland/dataframe.py
similarity index 100%
rename from eland/DataFrame.py
rename to eland/dataframe.py