diff --git a/docs/conf.py b/docs/conf.py
index 3647156..7ae6c00 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -22,6 +22,20 @@
 sys.path.insert(0, os.path.abspath('..'))
 
 
+class Mock(MagicMock):
+    """
+    Required to get around having to install dependencies to build docs.
+    """
+    @classmethod
+    def __getattr__(cls, name):
+            return Mock()
+
+MOCK_MODULES = ['numpy',
+                'matplotlib',
+                'matplotlib.pyplot',
+                'matplotlib.patches']
+sys.modules.update((mod_name, Mock()) for mod_name in MOCK_MODULES)
+
 # -- General configuration ------------------------------------------------
 
 # If your documentation needs a minimal Sphinx version, state it here.