diff --git a/docs/conf.py b/docs/conf.py
index 4b9973f..22d8004 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -27,7 +27,7 @@ class Mock(MagicMock):
     def __getattr__(cls, name):
             return MagicMock()
 
-MOCK_MODULES = ['pyBigWig']
+MOCK_MODULES = ['pyBigWig', 'dmp']
 sys.modules.update((mod_name, Mock()) for mod_name in MOCK_MODULES)
 
 import dmp