diff --git a/docs/modules/index.rst b/docs/modules/index.rst
index 11a34505c3..dda933be97 100644
--- a/docs/modules/index.rst
+++ b/docs/modules/index.rst
@@ -20,3 +20,5 @@ Module Reference
       openpnm.algorithms
       openpnm.topotools
       openpnm.io
+      openpnm.contrib
+      openpnm.visualization