diff --git a/docs/source/conf.py b/docs/source/conf.py
index fec3591e..a6fc5082 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -110,6 +110,8 @@
     psutil
     pyRestTable
     pysumreg
+    scipy
     spec2nexus
+    toolz
     xarray
 """.split()