diff --git a/dedrm_src/__init__.py b/dedrm_src/__init__.py
index cdd4e7b..ec4c621 100644
--- a/dedrm_src/__init__.py
+++ b/dedrm_src/__init__.py
@@ -87,6 +87,10 @@ import zipfile
 import traceback
 from zipfile import ZipFile
 
+import erdr2pml
+import ineptpdf
+import k4mobidedrm
+
 class DeDRMError(Exception):
     pass